OpenTechnical

OT-2026-000083848

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000083848) never changes.

Identity and time

Publication numberOT-2026-000083848 · never reused
Internal UUID01a0ae98-0418-7b65-aefa-633e4dbcaf11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083848
StatusPUBLIC

Content hashes

Canonical text2a13e0a63f1361ac4f23d9481b1f0020aab140849767d807993ca3b6b82a687f
Markdown89002c6d8eb1182641571893f4423bd6cf4254d98e8fba62f48024779d1a7f1d
PDF
Publication page7c53aac3e7a09f47c22d68e0346179fc7ff4b68cf94bc1c97935b5f33af7b6df
Manifest4f97b43da02f1a16735549fa22d4c5e122ff0046eebda73e3f6f0839f5f536e1

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
SignatureytFo/ntLT+GZkwPguTrddTLfeFd85wobxgdhElZlX5WCIILHmntR+FjAuK9ldJknin7UW4rYhFQ1MxjVGE8XAw==
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

2026-09-17T10:00:08.117856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083848
observed 7c53aac3e7a09f47c22d68e0346179fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:08.091856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083848/manifest.json
observed 4f97b43da02f1a16735549fa22d4c5e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:08.029948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083848/publication.md
observed 89002c6d8eb1182641571893f4423bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:07.964553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083848/publication.txt
observed 2a13e0a63f1361ac4f23d9481b1f0020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.421333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083848
observed 7c53aac3e7a09f47c22d68e0346179fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.404696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083848/manifest.json
observed 4f97b43da02f1a16735549fa22d4c5e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.388576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083848/publication.md
observed 89002c6d8eb1182641571893f4423bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.371903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083848/publication.txt
observed 2a13e0a63f1361ac4f23d9481b1f0020...
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.