OpenTechnical

OT-2026-000037665

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000037665) never changes.

Identity and time

Publication numberOT-2026-000037665 · never reused
Internal UUID01a0ae77-b8cf-7fe0-94ed-da3707ef3ddd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037665
StatusPUBLIC

Content hashes

Canonical text1d66d7e062f62012c6f44cb0c6089c3a3a59174a761dfb82fd1a452d4063958b
Markdown8ff8bc145f1cb8f051293a31692c656a9a0a4ae9257df5134ec0465384ea9cad
PDF
Publication pagee8c0b78a8d4c555bab1aa5bed8fe5ae95be040832febd01d1174265546a386a2
Manifest152f96f930504130935c9b5e31db63f63e18ecb62886a6f30ad2275ec687c995

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
SignatureDg09WuK9ZR6I+6MKBQnRnNbDOoEqnuxCWKzzOBNyH2njiiMswKlJY9advpBIuHJKjcBNB0RVJ6dRqsrWHv68CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:24:14.405155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037665
observed e8c0b78a8d4c555bab1aa5bed8fe5ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:14.388572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037665/manifest.json
observed 152f96f930504130935c9b5e31db63f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:14.371063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037665/publication.md
observed 8ff8bc145f1cb8f051293a31692c656a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:14.354273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037665/publication.txt
observed 1d66d7e062f62012c6f44cb0c6089c3a...
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.