OpenTechnical

OT-2026-000085736

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, sustained 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-2026-000085736) never changes.

Identity and time

Publication numberOT-2026-000085736 · never reused
Internal UUID01a0ae99-aaae-7e89-859d-de2eeadb443c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085736
StatusPUBLIC

Content hashes

Canonical text6c29bb892b6103f2d2db1bee0bee7f9ba5ce9b3b7ee3cec160bb6709a0b4af79
Markdownebb23f4f8e28d137551190e952918e0f1b5972fdc827ae9c230aa2fb29e53383
PDF
Publication page38ebbf33d9a64089fbcfd20f83bc84724657cd840f70ba16f5e0a1caff23e9fa
Manifeste861ed0a84a20c2aca1869db98b507e716fe45f8af3671ecf5f95478846950a2

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
SignatureOcOJR+J0fpp7ti1QfKp70s/laEZn7/FDiTuBgrH4Hkpb3LUMbNxXHv70CAeHDBb7I/4JyEv1PMyEJGm8s7GVCQ==
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

2026-09-17T09:54:39.015619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085736
observed 38ebbf33d9a64089fbcfd20f83bc8472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.999069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085736/manifest.json
observed e861ed0a84a20c2aca1869db98b507e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.982843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085736/publication.md
observed ebb23f4f8e28d137551190e952918e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.964529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085736/publication.txt
observed 6c29bb892b6103f2d2db1bee0bee7f9b...
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.