OpenTechnical

OT-2026-000009125

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000009125) never changes.

Identity and time

Publication numberOT-2026-000009125 · never reused
Internal UUID01a0ae6b-31b9-7176-aeb4-1120610a1483 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009125
StatusPUBLIC

Content hashes

Canonical text97c28e9681029ac40df20832f9a390e0836fd91fefda91d7e6c1aafd632284b2
Markdown7b8ba8edbad84350df8da2a9b7aece710787b1ab95f10f20c654471d60ca57d5
PDF
Publication pageb889ef9f8037186429159b0ea965360064add128b1aa5152550628862260d7ae
Manifest288dfde7faadff25c8dabc38ff7b7f0827b35307b7dc19da3bb668c4869a98b1

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
Signaturebz3VaLaoRbLH24r4am5nkZYXRovWr28I3Mo4+BdnUZ0VWzFxUXUcchjsVeDdJBxs3K1gLtBlugZEcuvC5pkLCw==
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

2026-09-17T12:17:48.888039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009125
observed b889ef9f8037186429159b0ea9653600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:48.869743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009125/manifest.json
observed 288dfde7faadff25c8dabc38ff7b7f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:48.851914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009125/publication.md
observed 7b8ba8edbad84350df8da2a9b7aece71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:48.833322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009125/publication.txt
observed 97c28e9681029ac40df20832f9a390e0...
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.