OpenTechnical

OT-2026-000074616

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000074616) never changes.

Identity and time

Publication numberOT-2026-000074616 · never reused
Internal UUID01a0ae93-ac2a-72fc-9562-db5224d12d63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074616
StatusPUBLIC

Content hashes

Canonical texta6916712584c23ae4ec46f0695f709b957ec7c3dc10d6faaa7d960923c064413
Markdown1384dacd38d880e7a47146c1d377d835816c3d382a7b66fb13ee55ec67662334
PDF
Publication page7f9399aed1f86d473a72457456f0356641f6c5a0a0bcc11b7987fd5e30dbd1ba
Manifest9c3baf512a84d760c64875ac72f23bdfe8fece1dc1c53b6bbc6e50752e1fcecf

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
SignatureLhirBiDIB8eknHYDgs/Rb0QTms1IkMp8CwNeruBdLb7yZ1cP+YmIGvDhDThiZLPuktoVzM2antgJ/xCMFJHmCw==
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

2026-09-17T10:18:08.553611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074616
observed 7f9399aed1f86d473a72457456f03566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:08.534352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074616/manifest.json
observed 9c3baf512a84d760c64875ac72f23bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:08.512763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074616/publication.md
observed 1384dacd38d880e7a47146c1d377d835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:08.493378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074616/publication.txt
observed a6916712584c23ae4ec46f0695f709b9...
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.