OpenTechnical

OT-2026-000022912

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000022912) never changes.

Identity and time

Publication numberOT-2026-000022912 · never reused
Internal UUID01a0ae70-46eb-7e57-a630-28c33e542f94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022912
StatusPUBLIC

Content hashes

Canonical texte07ebe13ce39be69a049b1b5a5076d9dfea8fcb91e17f78497c14f3790463794
Markdown689d3d0dff2c33a31b3389f6fdc0d7b7a3dfb9d269d539cc0d02708ef70d0a65
PDF
Publication pagedd7233c4b5f0a4f6111d51ef798e99f3cf80293c3d6b0c58f070ffa07b46e290
Manifestda639e457927f4a37b50f7c8a147d463b9402c6c4d75d1ad87b4cc3ed7db84b1

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
SignatureRGclFZhqo1aaO/o/7EJdjuz6XZl9pmok42C2NYaawnOgbsy9V8zSYsKDdkszd+hyjaL1VHmW3xfBCxF2/vvQCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:29.235916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022912
observed dd7233c4b5f0a4f6111d51ef798e99f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.205459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022912/manifest.json
observed da639e457927f4a37b50f7c8a147d463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.187647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022912/publication.md
observed 689d3d0dff2c33a31b3389f6fdc0d7b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.161584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022912/publication.txt
observed e07ebe13ce39be69a049b1b5a5076d9d...
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.