OpenTechnical

OT-2026-000054699

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line 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-2026-000054699) never changes.

Identity and time

Publication numberOT-2026-000054699 · never reused
Internal UUID01a0ae86-1284-7a7d-9069-67b9fc905293 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054699
StatusPUBLIC

Content hashes

Canonical textdcfaeaf3cc601da564ded5a239ed6a89ae252bc237a3ee5ad24da9c770252ba2
Markdown4c582e98342a18ff271962597f21e6967c98df0ca8e9cd6ba0005eb3fe52c070
PDF
Publication page46a8ea7d850075fe9884f9f050b5f1acde2d52b8f4a73a2345d58b75f6fb9d9e
Manifest86e8563e4654f4caaa6701f6d48f6688061fb2168d6b40eaab48d96cfc09f19c

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
SignatureaoY1wuokVpi3WOqHMujxZ1IvIjeceVOVnkiMFjhJSymA9ndPFdy4se4tymGpHtyKSBUIHZqMP2i7A+G5i9EgCA==
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

2026-09-17T10:53:47.458388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054699
observed 46a8ea7d850075fe9884f9f050b5f1ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:47.439887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054699/manifest.json
observed 86e8563e4654f4caaa6701f6d48f6688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:47.419841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054699/publication.md
observed 4c582e98342a18ff271962597f21e696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:47.399307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054699/publication.txt
observed dcfaeaf3cc601da564ded5a239ed6a89...
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.