OpenTechnical

OT-2026-000022902

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, sustained 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-2026-000022902) never changes.

Identity and time

Publication numberOT-2026-000022902 · never reused
Internal UUID01a0ae70-46eb-7a23-964e-52877503de9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022902
StatusPUBLIC

Content hashes

Canonical text571bc8684cbe69e4eca90db5d8e7751bc2915bbc549d0ec94991a11924f21830
Markdown5fa1a327d29342642a2c0232e8ce0d7e5abcd65ea235065b82f0dc2cd0335431
PDF
Publication page92fa89577fe490434eb6a2e8f43b74400b526a8a2a261b53bd48cd21d8945ccd
Manifest60b3eb0da7088915859991f86d0ca87da0c32553c3d6b0d89ca778b3122a72be

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
SignatureQozgjDcUnLp28D7E9w/rqeF3in3OdT4n8CN69WYwRZZTNJHq8ctSE7mmONxzvKSRaQthZFhbBnB/YfRPTHYbAg==
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

2026-09-17T11:52:28.480213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022902
observed 92fa89577fe490434eb6a2e8f43b7440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.462313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022902/manifest.json
observed 60b3eb0da7088915859991f86d0ca87d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.442209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022902/publication.md
observed 5fa1a327d29342642a2c0232e8ce0d7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.422104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022902/publication.txt
observed 571bc8684cbe69e4eca90db5d8e7751b...
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.