OpenTechnical

OT-2026-000041575

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000041575) never changes.

Identity and time

Publication numberOT-2026-000041575 · never reused
Internal UUID01a0ae79-e8a0-7e4e-a62b-30b0b2c440f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041575
StatusPUBLIC

Content hashes

Canonical text7abee72cae267dd4b62765f9dc3243336ed6dbf0b8002b5b680931558a197297
Markdownceabe909ca5c8a239fa2cf98e2fa88f1e78eae79b53912bfc9a525b62a10d310
PDF
Publication pageed4bbd78847b3ed1c86e4387a1aea8fe384537880d27899fd943fe6cff9364d1
Manifest3e5ddcfde01a432e82f03e3b681ee885a5b7b53a762a6deb1c59ac6c09945a64

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
SignatureCnY7qvcveeXsmY3i+teuXiosn55IOB1/P7Pc50wHNknccZmtCH2VyUz/8PxWVjzchtVUt1LupkoqVymx3qt3AQ==
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

2026-09-17T11:16:21.516795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041575
observed ed4bbd78847b3ed1c86e4387a1aea8fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.499965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041575/manifest.json
observed 3e5ddcfde01a432e82f03e3b681ee885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.482502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041575/publication.md
observed ceabe909ca5c8a239fa2cf98e2fa88f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.464221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041575/publication.txt
observed 7abee72cae267dd4b62765f9dc324333...
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.