OpenTechnical

OT-2026-000045805

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000045805) never changes.

Identity and time

Publication numberOT-2026-000045805 · never reused
Internal UUID01a0ae7d-8f05-752b-ae13-a09bcf8cb0ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045805
StatusPUBLIC

Content hashes

Canonical texte625eaca9bb1e2e7b56d6d77818af8f83afb1ad07a4e646c91bdc0304493a583
Markdown6b768df22936e4cf5213b62b4e64104ac795d855bb23234d7d4a22d55f1c5252
PDF
Publication paged93e80c12a9b321062269b34e9466efb1d1c4714564a61dcd98baf4b1fc46f8f
Manifest1384506286a6f72ee9d9cbe92e29b77bb07a8776895ce523b3b999e86849b627

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
Signature3C55AiEmav7gR4jphnNLNfFZs9G/55iwjkKk/V5DPD5jtGPvGlLHJ4MT6UnhhogBG14ecJHr85Y02xCSKEGfAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:40.429558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045805
observed d93e80c12a9b321062269b34e9466efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.411687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045805/manifest.json
observed 1384506286a6f72ee9d9cbe92e29b77b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.393165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045805/publication.md
observed 6b768df22936e4cf5213b62b4e64104a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.375169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045805/publication.txt
observed e625eaca9bb1e2e7b56d6d77818af8f8...
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.