OpenTechnical

OT-2026-000001991

Publication integrity record

Ratchet driver

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000001991) never changes.

Identity and time

Publication numberOT-2026-000001991 · never reused
Internal UUID01a0a679-e3d6-7161-b892-3cf3ee680ef0 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:10:01.174447Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001991
StatusPUBLIC

Content hashes

Canonical text0bc6036f0e925e941a5e8953256e722c91e046a4379ab73c1dec47337b7e7514
Markdown91a9c0af6e0d3550f879bf7e54af4250b7d597540cf2511f6d8029a92d406a74
PDF
Publication pageedf860c2c7e0003d1bbfc5b9fd04fbde1c5f0725af662540c686a632e4a01380
Manifest798f1a047472595b20b3c16411d1d522c1e07973ef2b21751a59414f28f5b32b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature0RxGBzVb1oG310ViGy6SS56DrxUCD3qIkYUvPbIk6PQrEJYBn9q6ZKVLA9UKSA+3cIe9DUyWN+lfZN9xQpc2BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-10-25T08:41:44.347567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001991
observed edf860c2c7e0003d1bbfc5b9fd04fbde...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T08:41:44.300513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001991/manifest.json
observed 798f1a047472595b20b3c16411d1d522...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T08:41:44.251793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001991/publication.md
observed 91a9c0af6e0d3550f879bf7e54af4250...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T08:41:43.805268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001991/publication.txt
observed 0bc6036f0e925e941a5e8953256e722c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:10:03.355185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001991
observed edf860c2c7e0003d1bbfc5b9fd04fbde...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:03.325559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001991/manifest.json
observed 798f1a047472595b20b3c16411d1d522...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:03.188949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001991/publication.txt
observed 0bc6036f0e925e941a5e8953256e722c...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent