OpenTechnical

OT-2026-000063693

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000063693) never changes.

Identity and time

Publication numberOT-2026-000063693 · never reused
Internal UUID01a0ae8c-f946-7470-be19-dd52cc85e9cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063693
StatusPUBLIC

Content hashes

Canonical text24e72c87c2982ef20d0450448aff099d1a416812bba36f85ee158857e3c7433a
Markdown46ee03c198117c16cc237ed5a714111caa96623b95159af07ed861e68bd7f3c8
PDF
Publication page59488a042aea74186e69058a994290c7965c066d2d3484d0727182549e58423e
Manifest8b601385307933943fea7a2418b4b2c032a2e4c5920deeae724df79c76a9ded6

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
SignaturebSO52LqYhY8nn6x1ozjxpslNXGz7phlIbWWA4EikwYC0mUbGSVSHREAAjHKkhqTzIWMhtFCAM63iycVpcic2Cg==
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

2026-09-17T10:37:48.771101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063693
observed 59488a042aea74186e69058a994290c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.753452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063693/manifest.json
observed 8b601385307933943fea7a2418b4b2c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.734420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063693/publication.md
observed 46ee03c198117c16cc237ed5a714111c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.714651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063693/publication.txt
observed 24e72c87c2982ef20d0450448aff099d...
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.