CardCycles
No. 0002Week of 2026-10-12Next seal 2026-10-19

Series R · The Record

The Cycle Record

Every entry, with its week, seal time by our clock, file fingerprint and timestamp status.

entries
2
first week
2026-W41
missed
0
revisions
0
Bitcoin timestamp
Complete
format
SHA-256 chain
The record · newest first
EntryWeekSeal time · by our clockTimestamp status
00022026-10-122026-10-12 23:49ZBitcoin timestamp complete
946d1b678290f0a15f74ef232e7c5e36395bda66901f118af7fcc98cce5de122
00012026-10-052026-10-10 04:38ZBitcoin timestamp complete
59b3f4701f1de341bc0e50365e61bdf2fc36d77486db71a449a357c83b739267
52 weeks · sealed entries and gaps
2025-10-20 · not yet2025-10-27 · not yet2025-11-03 · not yet2025-11-10 · not yet2025-11-17 · not yet2025-11-24 · not yet2025-12-01 · not yet2025-12-08 · not yet2025-12-15 · not yet2025-12-22 · not yet2025-12-29 · not yet2026-01-05 · not yet2026-01-12 · not yet2026-01-19 · not yet2026-01-26 · not yet2026-02-02 · not yet2026-02-09 · not yet2026-02-16 · not yet2026-02-23 · not yet2026-03-02 · not yet2026-03-09 · not yet2026-03-16 · not yet2026-03-23 · not yet2026-03-30 · not yet2026-04-06 · not yet2026-04-13 · not yet2026-04-20 · not yet2026-04-27 · not yet2026-05-04 · not yet2026-05-11 · not yet2026-05-18 · not yet2026-05-25 · not yet2026-06-01 · not yet2026-06-08 · not yet2026-06-15 · not yet2026-06-22 · not yet2026-06-29 · not yet2026-07-06 · not yet2026-07-13 · not yet2026-07-20 · not yet2026-07-27 · not yet2026-08-03 · not yet2026-08-10 · not yet2026-08-17 · not yet2026-08-24 · not yet2026-08-31 · not yet2026-09-07 · not yet2026-09-14 · not yet2026-09-21 · not yet2026-09-28 · not yet2026-10-05 · sealed2026-10-12 · sealed

2025-10-20 to 2026-10-12

sealedmissednot yet

Check the file yourself

Download an entry, then run this command in the folder where you saved it. Compare the result with its published file fingerprint.

Download entry 0002

shasum -a 256 entry.json

Published file fingerprint

946d1b678290f0a15f74ef232e7c5e36395bda66901f118af7fcc98cce5de122

Check an entry

How the chain is made

entry_hash =
  SHA256(exact entry.json bytes)
chain_hash =
  SHA256(prev_chain_hash + ":" + entry_hash)

The two hashes in the chain formula are lowercase hexadecimal text. The first entry uses 64 zeroes as its previous chain hash.

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