OpenTechnical

OT-2026-000026216

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000026216) never changes.

Identity and time

Publication numberOT-2026-000026216 · never reused
Internal UUID01a0ae71-a841-73e1-8e61-38b708b4aebd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026216
StatusPUBLIC

Content hashes

Canonical text1ef7673ff10eef7af263b57681384a1f91afa07e367da900ce5760451408bfc6
Markdownf6567867eac0b9d6fea4e53faa200232573b4b78a51e6995d8e3c36f7f5c78de
PDF
Publication page23aef6c0ed60ba39c781566ad4850b8c0ee9bea76df79cc3ad1073a023bc4a88
Manifestfb552fa3512915d842ba50868fa23c7399d1b6c9415f33b4140209483fd93920

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
Signature2VLSNoF7wAW9SMYePzdrdCxXeYGorCb/7mUdrPnGN46UbDUeM5yBwCkt3Na3uRlOAEIuTJv8JS9lH/rUR024BA==
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

2026-09-17T11:46:44.720218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026216
observed 23aef6c0ed60ba39c781566ad4850b8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:44.697853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026216/manifest.json
observed fb552fa3512915d842ba50868fa23c73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:44.678491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026216/publication.md
observed f6567867eac0b9d6fea4e53faa200232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:44.657576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026216/publication.txt
observed 1ef7673ff10eef7af263b57681384a1f...
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.