OpenTechnical

OT-2026-000076156

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000076156) never changes.

Identity and time

Publication numberOT-2026-000076156 · never reused
Internal UUID01a0ae94-6a6f-701b-9c74-1d518b7506e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076156
StatusPUBLIC

Content hashes

Canonical textb54e3a228fbeb6c382479599e90ed38679c5795eec638d34a157ff4a1129536a
Markdown56b027c7269bf6e28958ee863a1f335c1891307ef4bfe341f1a88cdd05af57be
PDF
Publication pagecd383cb215ab60a0a08f1af4d67847e3a6398164ee351b75539f577a6040fd1a
Manifest672a37f875dd7b18d26ff78f112b4bbd3c5870cf122433e7df9168c4e9002fc8

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
SignatureoEwKGrmT42qgAGUBLxw0AIjKQeXY01nrbyiojwVVieeXl3nhIIzGRSN9BZemuhdyd3Rj5v4XRPwYahSUm2iXBA==
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

2026-09-17T10:11:13.538504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076156
observed cd383cb215ab60a0a08f1af4d67847e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:13.521786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076156/manifest.json
observed 672a37f875dd7b18d26ff78f112b4bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:13.504742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076156/publication.md
observed 56b027c7269bf6e28958ee863a1f335c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:13.485914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076156/publication.txt
observed b54e3a228fbeb6c382479599e90ed386...
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.