OpenTechnical

OT-2026-000087690

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000087690) never changes.

Identity and time

Publication numberOT-2026-000087690 · never reused
Internal UUID01a0ae9a-cd54-739a-b177-efe52d0cd1cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087690
StatusPUBLIC

Content hashes

Canonical textbaea3c87070f959776674c7b56e4e4c757b37e6ad3bf3f44b88bfa4acb46830d
Markdownf9b647a3597ff66e4b381cf4b27b98ba80c9fd8831f5098c6da63a8adaff27a7
PDF
Publication page5b01722d22afb50a866c3ed9196169e90cf77e8dfe66a660a9497454245be1e6
Manifesteef10ae3c519d56aa80f68dd02118b1e2cf670378c316ffe6e94ae21047a2807

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
SignatureCri7tEOZ7nIh1TlXKpgVu26qIzvMJxwJDxcZRkh8MxSYMTdzk0hlHLNl5q6t7r6M7fGZQzoMWtuInVm/5BNXAw==
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

2026-09-17T09:51:08.324765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087690
observed 5b01722d22afb50a866c3ed9196169e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.308662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087690/manifest.json
observed eef10ae3c519d56aa80f68dd02118b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.290510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087690/publication.md
observed f9b647a3597ff66e4b381cf4b27b98ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.273675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087690/publication.txt
observed baea3c87070f959776674c7b56e4e4c7...
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.