OpenTechnical

OT-2026-000009790

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, vented after 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-2026-000009790) never changes.

Identity and time

Publication numberOT-2026-000009790 · never reused
Internal UUID01a0ae6b-7565-70fe-8369-5145f7051554 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009790
StatusPUBLIC

Content hashes

Canonical text5d4e98ca8bd52decf098e74b49d902e8aa749bbfbd9eac85a2ad55e28d0ce4a7
Markdownb7851f015781d30a2bb8e3576f9fab9b3939702692cfb92de39086195e49a9ad
PDF
Publication page60b14d9b936269128c6c099d2426a7c857e874f60cccb4b1dbc4bac806036010
Manifestb0e7789b45f610c710449c5147295aa85c2fbcf7baf3e364a82fcfff6768af00

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
SignaturekoLO5oa3Jhs3ubQ2elpNyZkHqQj3PlyuUCGLY6aTM2XjL5Pzgx/t9ALJ93lzXod0qXfPGu74qD1MazKF7d/sBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:18.508061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009790
observed 60b14d9b936269128c6c099d2426a7c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:18.489473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009790/manifest.json
observed b0e7789b45f610c710449c5147295aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:18.468330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009790/publication.md
observed b7851f015781d30a2bb8e3576f9fab9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:18.448459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009790/publication.txt
observed 5d4e98ca8bd52decf098e74b49d902e8...
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.