OpenTechnical

OT-2026-000064831

Publication integrity record

Foam pad vacuum gripper, four zone face, three 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-2026-000064831) never changes.

Identity and time

Publication numberOT-2026-000064831 · never reused
Internal UUID01a0ae8d-debc-7b13-abbe-208cfa517828 · 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-2026-000064831
StatusPUBLIC

Content hashes

Canonical textaecf92ac0c8e3500cadd871cfc7df8c6fa18123990bcce093b46835e435c00e8
Markdownd241968efa6319e03ecf20f308d994cdb98075382df35fe2f6e8a50ae25c5acf
PDF
Publication pagee93bb36cb3d8f3a81489c01e40fb613f0f8968a2e9b82d82479c83d1e10749a0
Manifesta8c136fc2781458879198465951af782863b203cba581251a72163577fbf2789

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
SignatureAE5FBOV/7i66GAqCb7D63L2A+sSLIsAGGKSX4wWx+Ms1cTEzobo/AkLVBDOXF9CoNQ2rdzp9qyMTIVJwzIjaDg==
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

2026-09-17T10:35:44.314429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064831
observed e93bb36cb3d8f3a81489c01e40fb613f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:44.297681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064831/manifest.json
observed a8c136fc2781458879198465951af782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:44.280788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064831/publication.md
observed d241968efa6319e03ecf20f308d994cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:44.263679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064831/publication.txt
observed aecf92ac0c8e3500cadd871cfc7df8c6...
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.