OpenTechnical

OT-2026-000057238

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000057238) never changes.

Identity and time

Publication numberOT-2026-000057238 · never reused
Internal UUID01a0ae87-d5bb-7186-ad42-1e3f42fe7935 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057238
StatusPUBLIC

Content hashes

Canonical text39edf6ef486fde624a58324ff4f5707ae2d4701bc613ef966a02bcfd43f6fac9
Markdownd90e259db8779dda6aa5bfb0f91726531e888c7d9225303cc76be93e17d4691b
PDF
Publication page5693b67af3f251972ce811bf72ad9ca254d6ec2656a2339a11759067648f267e
Manifestd21dee1775b959be7777e36da3e06989e4e8f0a996df1fb4b882ebb4ed70649d

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
Signature131/MDR9bF8vJfL076kysJ++YgUnSB7XQ+sSziar5pOyTISUf7WkHRWZjPr5fYygdwbRkKVEH/teMehSpRi6Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:18.005143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057238
observed 5693b67af3f251972ce811bf72ad9ca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.984622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057238/manifest.json
observed d21dee1775b959be7777e36da3e06989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.958010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057238/publication.md
observed d90e259db8779dda6aa5bfb0f9172653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.940158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057238/publication.txt
observed 39edf6ef486fde624a58324ff4f5707a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.604500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057238
observed 5693b67af3f251972ce811bf72ad9ca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.587878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057238/manifest.json
observed d21dee1775b959be7777e36da3e06989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.569108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057238/publication.md
observed d90e259db8779dda6aa5bfb0f9172653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.548397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057238/publication.txt
observed 39edf6ef486fde624a58324ff4f5707a...
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.