OpenTechnical

OT-2026-000100101

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three 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-2026-000100101) never changes.

Identity and time

Publication numberOT-2026-000100101 · never reused
Internal UUID01a0aea3-1474-7072-86f1-e4be6b754ba0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100101
StatusPUBLIC

Content hashes

Canonical text85c7cf4d43a8cbbe511a51fbd3c79f0fdbd78a12228545c131679d22c60ef6a0
Markdown6ff4228332bd16497c5626aa7b48b1e90f0e1153a75570c0b0e6e73e0b77f87b
PDF
Publication page5b447e8ff373031a5d24687e275f8fd38fa994860aca5930973f38202191c428
Manifestde81a7cf5f3827bbd9520104a2251410e32eb2bcf42d19978de76b790c9933cf

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
SignaturekB9s1337gNhE5asGmByc5icOHtTtSIVbPf5wxr4uIo8GzmGFaTBfeaD3LYulpERaoj7ZfXHvlkii/C8CqQ7DDQ==
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

2026-09-17T09:29:03.680044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100101
observed 5b447e8ff373031a5d24687e275f8fd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:03.662307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100101/manifest.json
observed de81a7cf5f3827bbd9520104a2251410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:03.643424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100101/publication.md
observed 6ff4228332bd16497c5626aa7b48b1e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:03.624388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100101/publication.txt
observed 85c7cf4d43a8cbbe511a51fbd3c79f0f...
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.