OpenTechnical

OT-2026-000077650

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000077650) never changes.

Identity and time

Publication numberOT-2026-000077650 · never reused
Internal UUID01a0ae95-2ecf-70d6-af85-d479fdf4ffcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077650
StatusPUBLIC

Content hashes

Canonical textefc2c103cd5891023ed60becabfab6a94106e8904e88360c07dcccc881558549
Markdown4163388ea89cfd0752612e5cfb3449592fed0052c2b2ee75dd22b8b6992e6b71
PDF
Publication page3178e88578a4782a8ad8a77523c92ba299cb3523e9a35aa767866de1d9b11a86
Manifest1452c6b0bcd3d91be6d40d39371dcc92953351fea3cbacbcf46630f5cbbe138f

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
Signatureh8Lu/6gLDtPZKRlBWmyYtfOZJ4IkiNYQn9G/z82D2sDu+Euk3ol4Iuu2O0J2f8/go76oNs0gPXhdtuibBUQ6Bg==
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

2026-09-17T10:07:12.998966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077650
observed 3178e88578a4782a8ad8a77523c92ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:12.979442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077650/manifest.json
observed 1452c6b0bcd3d91be6d40d39371dcc92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:12.960898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077650/publication.md
observed 4163388ea89cfd0752612e5cfb344959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:12.941248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077650/publication.txt
observed efc2c103cd5891023ed60becabfab6a9...
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.