OpenTechnical

OT-2026-000066290

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000066290) never changes.

Identity and time

Publication numberOT-2026-000066290 · never reused
Internal UUID01a0ae8e-8dc4-7646-9bbc-e921c67fdb49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066290
StatusPUBLIC

Content hashes

Canonical text9154158f14867acd04dc130c8cc5da1f1f0c4f3cf4b80bcf77eb38c39d199dc1
Markdowne6226856f69af6b455e1a8e637de62c335ce5d622c8202401ac4e18ca3399137
PDF
Publication page6d7b72771f1cd1e3e30c1a28168bde4831732ed7b677a7db2fa4399f710300af
Manifest9b5b1726e4109dca773dbefbd4813c2ec25c1ef68fdc45428c6c6d32244c2343

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
SignatureF6VbBUHuNn4vGwvnaxFvsdOi36KrRG4WOrop8VX4BTZwRDkVy2OpOm6ghLH3K8BNSIQLPOLancdsYpTgQnKkCg==
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

2026-09-17T10:33:28.271737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066290
observed 6d7b72771f1cd1e3e30c1a28168bde48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:28.253967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066290/manifest.json
observed 9b5b1726e4109dca773dbefbd4813c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:28.236920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066290/publication.md
observed e6226856f69af6b455e1a8e637de62c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:28.218847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066290/publication.txt
observed 9154158f14867acd04dc130c8cc5da1f...
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.