OpenTechnical

OT-2026-000063900

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000063900) never changes.

Identity and time

Publication numberOT-2026-000063900 · never reused
Internal UUID01a0ae8d-53bb-79f2-8dc5-258473cd3dc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063900
StatusPUBLIC

Content hashes

Canonical texta54077824794338f653a9ef83b4a664820941fc17ed592ae2ad46ab16f7ac569
Markdowne5ffebf481feeca7a1e343676b272a04982db21c1033936654cbd6f6b71efdc1
PDF
Publication pagebeb8ed83265f82a9c9c1af191e12b5a00ec1954ace480e973685c22d064b248d
Manifesta47f5c46c541c157eef0779c3b67648aa035d3c65b1a9d92f3acd62b90bb7f29

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
SignatureRGJ4cghXH8lDBIFIwJJc6SR+ORZ+QCqXoAxOpmjQpRJXUoK7aXjKMs92Pcdw2nXab6t1j07naAf3FosW4MTTBA==
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

2026-09-17T10:36:56.794125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063900
observed beb8ed83265f82a9c9c1af191e12b5a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:56.777409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063900/manifest.json
observed a47f5c46c541c157eef0779c3b67648a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:56.760146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063900/publication.md
observed e5ffebf481feeca7a1e343676b272a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:56.742351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063900/publication.txt
observed a54077824794338f653a9ef83b4a6648...
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.