OpenTechnical

OT-2026-000064599

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000064599) never changes.

Identity and time

Publication numberOT-2026-000064599 · never reused
Internal UUID01a0ae8d-deb8-71c4-80a7-f96cf6e8d44d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064599
StatusPUBLIC

Content hashes

Canonical text3b68a0e893975e0cf64f2b04af6b5dbd9254ab9343b3cbc4c36c9fa9fd3601e9
Markdownf47bc261df70ad3d5a7d5f9098a133fbefeb717e37bf0afdf70010ca59c054ab
PDF
Publication pagea139223d1f93d53a1e4d67f265431cb115c052f5bb9ece4dfcca0181e66f2421
Manifest961872d3bfa625d040ee58f2415c8f721911e294336716de1dd09559beb612be

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
SignatureA3f2ze91gDaZqB/u6bhdm+JIzisJVKnXVXblwRZ3BvacNz9ZhhunjI16apce6Kn11R2FafSSBmbg0sXzE4uNDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:22.385213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064599
observed a139223d1f93d53a1e4d67f265431cb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.369453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064599/manifest.json
observed 961872d3bfa625d040ee58f2415c8f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.351537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064599/publication.md
observed f47bc261df70ad3d5a7d5f9098a133fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.334396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064599/publication.txt
observed 3b68a0e893975e0cf64f2b04af6b5dbd...
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.