OpenTechnical

OT-2026-000076623

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076623) never changes.

Identity and time

Publication numberOT-2026-000076623 · never reused
Internal UUID01a0ae94-b06e-7ad8-ae25-5f3c0199b08f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076623
StatusPUBLIC

Content hashes

Canonical text7e4f0066942603af5cad3664066a3c022d3e9a92edc8a47f58c5f7f9b3a68a09
Markdown86e266e93a641ce7f388fc5cad7585a0bad1fab15e48d2fb319452d05975e7d7
PDF
Publication pageabfe64e9f8f4b7d08e374640baf96eab9b654d8db520691ce61bf77ed25e19ee
Manifest8aa7beb788af14bda4b9de2876d44f49b5550437b466c83ee99d0dca4de02d91

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
SignatureY6F4c6cqeKxY1xgglY+6t0Kvf0oX/qfEFkA6jcF5TGMkvxK2N2e1ksEYKWNEz3JJyJzE8CrL4z/nZTfmOG+OBQ==
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

2026-09-17T10:09:21.158972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076623
observed abfe64e9f8f4b7d08e374640baf96eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.140769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076623/manifest.json
observed 8aa7beb788af14bda4b9de2876d44f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.122963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076623/publication.md
observed 86e266e93a641ce7f388fc5cad7585a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.102151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076623/publication.txt
observed 7e4f0066942603af5cad3664066a3c02...
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.