OpenTechnical

OT-2026-000065414

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, vented after 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-2026-000065414) never changes.

Identity and time

Publication numberOT-2026-000065414 · never reused
Internal UUID01a0ae8e-46f8-78d7-840f-beecd5dac2c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065414
StatusPUBLIC

Content hashes

Canonical text1194c2fe8d0579839bd3f9a25d54795509baf65c75f76628ec4cfb03c347665d
Markdown876b78f0dc2c48bb684f83198f433699db17f4b4087dc15538779dda46c3df60
PDF
Publication page9324968a87ffb4cd905c1ca59f0a83edd60a6f22cd92375415a547cbbb041367
Manifest4ea685bd149691e1791a3eb9e723525a696d77250fd659e99eeb422d39249308

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
SignatureyKLpkwtAHdxJYltFInBQdwx8PlXBQYCuWFyCPnye+x+acZifDtX5pkiZ6QNU5zY62nZkeeTLKr+9YdAZC3ssBg==
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

2026-09-17T10:33:40.785266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065414
observed 9324968a87ffb4cd905c1ca59f0a83ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.768416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065414/manifest.json
observed 4ea685bd149691e1791a3eb9e723525a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.753049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065414/publication.md
observed 876b78f0dc2c48bb684f83198f433699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.736815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065414/publication.txt
observed 1194c2fe8d0579839bd3f9a25d547955...
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.