OpenTechnical

OT-2026-000101628

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pulsed blow-off after 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-2026-000101628) never changes.

Identity and time

Publication numberOT-2026-000101628 · never reused
Internal UUID01a0aea4-0e16-728a-8d48-38684ce093c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101628
StatusPUBLIC

Content hashes

Canonical text5786ee57b36a29317d2edf48d62e62b272af7a1ebdc70c3d48e10667d05b6443
Markdown3c7d73e0e13fca1d7a008f50d94a23d6ea63282311431adf404c1ea38369c511
PDF
Publication page12e1460f5d909264ee50bdf76133be0cc9f81d31d064593cc5d49c7cdb0ad3c8
Manifest64cc8c0639594cdf9a039e92afadcfe4fc1e5cc45a6ce4096424133897a56e3b

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
SignaturePUYsByccdZ8RnvlyNNxkBk5pOwmqawWNpbh1emVf0wqqYaFO3DIMsGa1QMFpzHtUix+ySC8vG5nVe3gFkrZ7Ag==
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

2026-09-17T09:25:45.273301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101628
observed 12e1460f5d909264ee50bdf76133be0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:45.254513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101628/manifest.json
observed 64cc8c0639594cdf9a039e92afadcfe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:45.235065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101628/publication.md
observed 3c7d73e0e13fca1d7a008f50d94a23d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:45.215475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101628/publication.txt
observed 5786ee57b36a29317d2edf48d62e62b2...
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.