OpenTechnical

OT-2026-000057181

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000057181) never changes.

Identity and time

Publication numberOT-2026-000057181 · never reused
Internal UUID01a0ae87-d5ba-7156-b6ea-e48b15135945 · 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-2026-000057181
StatusPUBLIC

Content hashes

Canonical text9b9f8b0289d4381f19929662ec5c3eb16997287a8eed403b9be150b69dd0798f
Markdown096b48323fdcc7eb62949bb6b65a88b381c64fe6881918e94eb3d47acb963115
PDF
Publication pagea0e45040b628b9dba295bf306689dca9a4bb742c867a41687de4d22c3b607ceb
Manifesta0a6cfe719e44819bbfdd53b9e8ee7d51f1f6572bb6b312b3614596bb0747686

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
SignatureScoqj3zj5mxnx8XSx2egoUScGqfisv6FTNs3CQifh6qvZzdjQAjly7zLZfhED0j3MtmzAKFre9ao0G8KBVXEBg==
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

2026-09-17T10:50:11.834937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057181
observed a0e45040b628b9dba295bf306689dca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.815477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057181/manifest.json
observed a0a6cfe719e44819bbfdd53b9e8ee7d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.797796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057181/publication.md
observed 096b48323fdcc7eb62949bb6b65a88b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.777944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057181/publication.txt
observed 9b9f8b0289d4381f19929662ec5c3eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.195079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057181
observed a0e45040b628b9dba295bf306689dca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.175703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057181/manifest.json
observed a0a6cfe719e44819bbfdd53b9e8ee7d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.156983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057181/publication.md
observed 096b48323fdcc7eb62949bb6b65a88b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.137517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057181/publication.txt
observed 9b9f8b0289d4381f19929662ec5c3eb1...
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.