OpenTechnical

OT-2026-000073724

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before set-down

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-2026-000073724) never changes.

Identity and time

Publication numberOT-2026-000073724 · never reused
Internal UUID01a0ae93-2b8d-7cbe-981a-d35ff64066ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073724
StatusPUBLIC

Content hashes

Canonical text19850b341b26004692fdeac78b8cbac1444de72716f888a18d38d1cb60ab59b8
Markdown820a97b36a25ac0ddbcec50bf576bcc6c63348d87c2cf41694787d1ff00e408e
PDF
Publication page84c3cefb0324cb1fc29a2317a0b6624fc3a4de1c05535a619c8ec9d92844b0f2
Manifestc34ed544bf9c02f8751bd4211b446975133799183099a555f59759af02457026

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
SignatureEgQJbLfYoVlIOzPmZwVLpHjAxVz7ffCZcAJBn3frX7FyErHV6r5+tOcPcpV9ifBezENZb9UHMQkZJM8MvTU2Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:47.953512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073724
observed 84c3cefb0324cb1fc29a2317a0b6624f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.935026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073724/manifest.json
observed c34ed544bf9c02f8751bd4211b446975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.914912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073724/publication.md
observed 820a97b36a25ac0ddbcec50bf576bcc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.894735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073724/publication.txt
observed 19850b341b26004692fdeac78b8cbac1...
fetched by instance-3.rotem.ai from 34.69.0.72, 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

Custody packagePending Custody packages are produced weekly.