OpenTechnical

OT-2026-000025315

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000025315) never changes.

Identity and time

Publication numberOT-2026-000025315 · never reused
Internal UUID01a0ae71-5fa7-7ff8-948b-4fb826de1b5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025315
StatusPUBLIC

Content hashes

Canonical texte26e55cb68462eeeee44870ce54cf10b3b1d87efee1fa93edca881791abc11dd
Markdownbe0e3967f0799fc8fa707c5a3d416f0bf59d79f0683eb01fff8c2d98d09b7006
PDF
Publication page77d78713eac324bea93bbc595ab6fe4f8c190614b6a970d30fc7c9efac090fcc
Manifestb8436e733e2a20585106d157bf9ee90f267b9755287b8c1b818910996d090a21

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
SignatureS961aqxtc9owZ9ClIdck5A8uFvyT/f0TZNoRVnvzradarSYrC1R3Ek/5YRjafCIBhsNFuWvq+tpCSn8a9kMeCw==
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

2026-09-17T11:47:20.169422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025315
observed 77d78713eac324bea93bbc595ab6fe4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:20.150048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025315/manifest.json
observed b8436e733e2a20585106d157bf9ee90f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:20.133469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025315/publication.md
observed be0e3967f0799fc8fa707c5a3d416f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:20.116372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025315/publication.txt
observed e26e55cb68462eeeee44870ce54cf10b...
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.