OpenTechnical

OT-2026-000003155

Publication integrity record

Computer aided inspection machine

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-2026-000003155) never changes.

Identity and time

Publication numberOT-2026-000003155 · never reused
Internal UUID01a0a695-6541-776c-b3b4-dbfb3859d279 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:40:03.777990Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003155
StatusPUBLIC

Content hashes

Canonical text1c3134ed0a6b4ffa7121109ddb7509cdf808328aacebf74c754a8211043a7918
Markdown9650a106c557a91c3afe688d81adf49a587c70ce36a9ff6ef022f671f8937970
PDF
Publication page0072e3ed27c624010929486a4ae5ff165b7bcd441aee1feac23fbb4c5cd44842
Manifestc0e1e000501ebb7bcf3dd54e4b5b174d4048d31572db1e0f1634b8cd1a388538

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
Signature6WS3Gt8l+Q4RQSRLJ4/7uQCt3VANGwGKEuCh2flciHVCT0bK0YKC9kuyVc21R2RkzFi62dBo5zakKbNjPYzEDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:47:02Z
batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof
root 713cd89b73be422b38f7894d4fb6a755...

Independent retrieval

2026-10-19T16:41:20.660669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003155
observed 0072e3ed27c624010929486a4ae5ff16...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T16:41:20.568198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003155/manifest.json
observed c0e1e000501ebb7bcf3dd54e4b5b174d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T16:41:20.503216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003155/publication.md
observed 9650a106c557a91c3afe688d81adf49a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T16:41:20.338645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003155/publication.txt
observed 1c3134ed0a6b4ffa7121109ddb7509cd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T20:41:46.359432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003155
observed 0072e3ed27c624010929486a4ae5ff16...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T20:41:46.259152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003155/manifest.json
observed c0e1e000501ebb7bcf3dd54e4b5b174d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T20:41:46.186625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003155/publication.md
observed 9650a106c557a91c3afe688d81adf49a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T20:41:46.016022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003155/publication.txt
observed 1c3134ed0a6b4ffa7121109ddb7509cd...
fetched by grabo-systems from 34.44.131.203, 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