OpenTechnical

OT-2026-000077097

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000077097) never changes.

Identity and time

Publication numberOT-2026-000077097 · never reused
Internal UUID01a0ae94-f507-7282-96f9-a3d526ffa474 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077097
StatusPUBLIC

Content hashes

Canonical text55114eb12a338dd4a8836a1ef12ada04ab790210f4bd9128d7080f335d742529
Markdownb02b601111a4d53e5296065bcac9454787caaa72f63094ea0e5b8813f8c0fb20
PDF
Publication pagedf1cba49ede32bc557833401149619088ada3f25cf3297736b405df3bcac6d91
Manifestb76a28e8773db414bb174f2e69f9b66a7997c1718a8948a4a3ebe38282f2148c

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
Signatures/pxlevgRkBrBM4eiSqJ2NZHdE4PuIqeImydnC+fhmAejClPI81Q1ZwMmG1qtUzx3SO6dBV7rKtg/fLCFbiFDQ==
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

2026-09-17T10:11:32.231793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077097
observed df1cba49ede32bc55783340114961908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:32.214404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077097/manifest.json
observed b76a28e8773db414bb174f2e69f9b66a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:32.194140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077097/publication.md
observed b02b601111a4d53e5296065bcac94547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:31.803205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077097/publication.txt
observed 55114eb12a338dd4a8836a1ef12ada04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.637993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077097
observed df1cba49ede32bc55783340114961908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.620746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077097/manifest.json
observed b76a28e8773db414bb174f2e69f9b66a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.600799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077097/publication.md
observed b02b601111a4d53e5296065bcac94547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.583778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077097/publication.txt
observed 55114eb12a338dd4a8836a1ef12ada04...
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.