OpenTechnical

OT-2026-000089193

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000089193) never changes.

Identity and time

Publication numberOT-2026-000089193 · never reused
Internal UUID01a0ae9b-db00-71ee-86b2-2b3903b10410 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089193
StatusPUBLIC

Content hashes

Canonical text1baeb37d6358a356d049fd59b425dcd6b676f1c5a0f70e12517ae91e2efb7ce5
Markdownd3c76532b1763a178efe89cb832f6b48d679f1cefd96dd41096b60af13c7b125
PDF
Publication page3f457951ca025bc0c4e67ca6d1d3d1112d73f72ef4a288a9b5ac76c8d8f7bb01
Manifest75a1425227ef8a551a3999e87c4863e12352a0182373f041954b3d839c3ddc49

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
SignaturecSOmq52s80y4tJpx5iQvFoRchP4uSnk1ocj1qLD0sx8+48Wp8Mgv3sPDu1WCTZ4/bo/6TPLHTFU+hH4D4dhxDg==
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

2026-09-17T09:47:12.584060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089193
observed 3f457951ca025bc0c4e67ca6d1d3d111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.567159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089193/manifest.json
observed 75a1425227ef8a551a3999e87c4863e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.548490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089193/publication.md
observed d3c76532b1763a178efe89cb832f6b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.528536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089193/publication.txt
observed 1baeb37d6358a356d049fd59b425dcd6...
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.