OpenTechnical

OT-2026-000085649

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, sustained 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-2026-000085649) never changes.

Identity and time

Publication numberOT-2026-000085649 · never reused
Internal UUID01a0ae99-aaad-7651-a121-c72c31a03285 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085649
StatusPUBLIC

Content hashes

Canonical textd04d7fa11de03ba08b464debf92a41fd35b7d6ece61a5d37a7311891d466b443
Markdowneceeb357b339269d6b2360cb981f7848206fbb55e9eaa347b3240bb83e27bb47
PDF
Publication pagef66f67df0ca32427736da62833d8585c6232f8d9c801dc9eaaedd5b626b40b8a
Manifesta0233f1ac0c125489453171f87c8adbe5b7bb49a370ff5ae3279eed8b7da8882

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
SignaturejFI4NT2a1KkdmcorqiE9HNLihSo4o8uhd5FTMIexT8F0/dcEchou+qUoVEjpFOrBxJ74q4lY8iSlwEC0oTrbAg==
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

2026-09-17T09:54:32.258424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085649
observed f66f67df0ca32427736da62833d8585c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.240421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085649/manifest.json
observed a0233f1ac0c125489453171f87c8adbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.222899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085649/publication.md
observed eceeb357b339269d6b2360cb981f7848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.206067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085649/publication.txt
observed d04d7fa11de03ba08b464debf92a41fd...
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.