OpenTechnical

OT-2026-000009621

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000009621) never changes.

Identity and time

Publication numberOT-2026-000009621 · never reused
Internal UUID01a0ae6b-7563-7997-b47d-75e96c6ffd9f · 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-2026-000009621
StatusPUBLIC

Content hashes

Canonical text32de27c45e9d9ccd72a2195bfa1a70c27b5f299cddaee956c9fe2bac4820236c
Markdown918d853de91e0a722a5d0c851aa24a8a4b699c5657e4d38f5a22ebc86ef328bb
PDF
Publication page60ff88dfb2a32f223b928b69e7f935020b14f7040f75f2b03e2437ed19c01fac
Manifest44f98f25cdf3085506378cda56899c562cd454f7d2b8823de1bf2926d98c593c

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
SignatureKtQreUQmW3PDjE5Fr1/BY2Eabg1CUSN4eGhrcK30rt/iEXC4n3DDXVEsVRXO90vox+QCZNqqHXJclG6vz5//Cg==
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

2026-09-17T12:17:04.484622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009621
observed 60ff88dfb2a32f223b928b69e7f93502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:04.466136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009621/manifest.json
observed 44f98f25cdf3085506378cda56899c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:04.444509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009621/publication.md
observed 918d853de91e0a722a5d0c851aa24a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:04.423790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009621/publication.txt
observed 32de27c45e9d9ccd72a2195bfa1a70c2...
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.