OpenTechnical

OT-2026-000015945

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000015945) never changes.

Identity and time

Publication numberOT-2026-000015945 · never reused
Internal UUID01a0ae6e-0c4d-73a4-823e-92a59ed5680a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015945
StatusPUBLIC

Content hashes

Canonical textaae180aa5ac42c9ac06fc6f99e5a3b8a51c29afdc8f5334767a94377425a95be
Markdown37b699f7255456d6b0fa5bdcfca9b67c49b4cdbc3788c9e062134853be9779a6
PDF
Publication page1f229686803cc6998cbd92dc9f7a22df68b43f8bcaa76f932911bcf3893556b6
Manifested190d31dcb943323b699b5e0b7ff9f9558d1c587b38e8b67046a8b994c63cde

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
SignatureVrydZYoWPidVo2FnuYJZFYXY++O6V9KHWOPh8wgCo1mLK0sgmB0dWRjbcvAsLhxhZTo4/eteRgNbgRzJtVjKBQ==
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

2026-09-17T12:05:25.292673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015945
observed 1f229686803cc6998cbd92dc9f7a22df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:25.270613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015945/manifest.json
observed ed190d31dcb943323b699b5e0b7ff9f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:25.251057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015945/publication.md
observed 37b699f7255456d6b0fa5bdcfca9b67c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:25.230938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015945/publication.txt
observed aae180aa5ac42c9ac06fc6f99e5a3b8a...
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.