OpenTechnical

OT-2026-000100315

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000100315) never changes.

Identity and time

Publication numberOT-2026-000100315 · never reused
Internal UUID01a0aea3-3053-73bc-8cbd-96e7e571dd21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100315
StatusPUBLIC

Content hashes

Canonical textae873dd8d27b24de4f5d654bc124aed165c89c57fd28e4b7c7348899faaf562c
Markdown955f44b396480a6fba3f9f0335a7f52345c7f7e5b098ff35d22712c11d20933c
PDF
Publication page03d873d72d7d135f977f9b2bafac10eb97f66ff714810a59187ebf68557836a1
Manifest2e5b6337e2b09acd27c5a50d4d34da127e01cfb050d830714785a7c20835f712

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
SignaturekFOJBFbuEZqDpo8eJn7tq4TATrCwHoVEuPqEQz6ai6BV8LBy8iBR9UyZ9Mr6xn3yU8ZNAkzYW5zn3bWxFjXhCQ==
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

2026-09-17T09:30:15.111367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100315
observed 03d873d72d7d135f977f9b2bafac10eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:15.092201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100315/manifest.json
observed 2e5b6337e2b09acd27c5a50d4d34da12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:15.066622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100315/publication.md
observed 955f44b396480a6fba3f9f0335a7f523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:15.047206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100315/publication.txt
observed ae873dd8d27b24de4f5d654bc124aed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.828904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100315
observed 03d873d72d7d135f977f9b2bafac10eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.811829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100315/manifest.json
observed 2e5b6337e2b09acd27c5a50d4d34da12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.795908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100315/publication.md
observed 955f44b396480a6fba3f9f0335a7f523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.779502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100315/publication.txt
observed ae873dd8d27b24de4f5d654bc124aed1...
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.