OpenTechnical

OT-2026-000100746

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000100746) never changes.

Identity and time

Publication numberOT-2026-000100746 · never reused
Internal UUID01a0aea3-66f4-794f-b572-c56624a86067 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100746
StatusPUBLIC

Content hashes

Canonical text13a1ad4d15801a040d5220316b79f54e3d148d90cd5bce54616a4f0e47f22eab
Markdown0a2c4ae605947e7dd44120631bc0a469bdfdc21ea93ef69badad8ceda6d428c0
PDF
Publication pagea498b6f2abef4a9c91a527a341fddf5e335ecd955c8afda58f1a74f9b1379737
Manifestdfe23d3fa93c52ed3ddc5fa64b1677b0d4d30ae0c6953f2fe65141eae977ab36

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
Signaturea1oQltyu9PIH16zSO/EyckBL+iogSAlKEkrWHGUdAlGI5bohg4w6G9Av+HVWe1SzuUKVjB0l/UG+aEA9zEkxBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:34.828429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100746
observed a498b6f2abef4a9c91a527a341fddf5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.810687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100746/manifest.json
observed dfe23d3fa93c52ed3ddc5fa64b1677b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.791699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100746/publication.md
observed 0a2c4ae605947e7dd44120631bc0a469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.774244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100746/publication.txt
observed 13a1ad4d15801a040d5220316b79f54e...
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.