OpenTechnical

OT-2026-000054225

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000054225) never changes.

Identity and time

Publication numberOT-2026-000054225 · never reused
Internal UUID01a0ae85-b3a9-7026-b8f3-84f19c4c9464 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054225
StatusPUBLIC

Content hashes

Canonical text3eb6c066a98db79f1f5ef1aabec11a1ab5b75452a490fc57bf8557f6754a8936
Markdown3ee76f58bdd0733a98ce9a3a76bc373db17be5b63691ecf358e407c364374aeb
PDF
Publication page4b3bee7da4d5d15ae1d3839c018f10f7a044c68f9429819bf0478a304df3500d
Manifest3c2e487f3e1fab8a70c49c11cc29897ac436e1bb84e1826e9a9e6b3c3ec552fd

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
SignatureNZgQdXKx6IMtiveyz9Oxs7UcmEdUUH7dlbYRKyayzLEg8gQ1f1JsDVz3Za85YR3wn4YHXdbevD0sZP9QN1/wCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:42.425385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054225
observed 4b3bee7da4d5d15ae1d3839c018f10f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:42.406112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054225/manifest.json
observed 3c2e487f3e1fab8a70c49c11cc29897a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:42.386629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054225/publication.md
observed 3ee76f58bdd0733a98ce9a3a76bc373d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:42.365673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054225/publication.txt
observed 3eb6c066a98db79f1f5ef1aabec11a1a...
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.