OpenTechnical

OT-2026-000077678

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000077678) never changes.

Identity and time

Publication numberOT-2026-000077678 · never reused
Internal UUID01a0ae95-2ecf-7c29-ab14-fdc4866bb544 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077678
StatusPUBLIC

Content hashes

Canonical text0164bfa553ac565796929e643067641789fe5d6f34d61966e35a9a9e8cb12050
Markdown946c27d1b73940dfd966e103610ff04e075578148e792e579e953d6539463be1
PDF
Publication page71c226786aefc3111af959f82daf222e02515cb037f766c19388ee883338fafb
Manifest26fbc6d335d19416d03328232af121c513083ec43e4b0c16dad4cec932b15f5d

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
Signature4OWz0h3P3enOJ7G7pHlQT007eNA0tsoMyaCx2tQweztI8xAwkQE0r8wHWM90jv06knMtZTGnEiJHHgk/4ab0CA==
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

2026-09-17T10:06:55.360087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077678
observed 71c226786aefc3111af959f82daf222e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.340395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077678/manifest.json
observed 26fbc6d335d19416d03328232af121c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.323766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077678/publication.md
observed 946c27d1b73940dfd966e103610ff04e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.307498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077678/publication.txt
observed 0164bfa553ac565796929e6430676417...
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.