OpenTechnical

OT-2026-000083481

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, 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-2026-000083481) never changes.

Identity and time

Publication numberOT-2026-000083481 · never reused
Internal UUID01a0ae97-c965-77f4-ac79-b5c13e3332c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083481
StatusPUBLIC

Content hashes

Canonical textf61bcb3ecf0af07688401a26ac793e228e59bfbed8b6f203cb57db5b5d515346
Markdown284a44fa292bbbcb482713727651784619ecccfbf9d435ba7373c860f55d4da0
PDF
Publication pageca0a5891a6a39461f50a483913bd2a9515e2286cb01a38422c672adb42470997
Manifestbb2b6a77e82413e12660a5c9c06d0908d9ded119d7b9088d61eadae7621ea560

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
SignatureLIsbC6umjgHsG4XJxdrqh1MBTVzrzsWQk59BhapfMQqcISK+pVSTEo95c6ARS94+BOnsrS2bGGuSCCnbwPT2Cg==
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

2026-09-17T09:57:54.263641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083481
observed ca0a5891a6a39461f50a483913bd2a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.246618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083481/manifest.json
observed bb2b6a77e82413e12660a5c9c06d0908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.229784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083481/publication.md
observed 284a44fa292bbbcb4827137276517846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.213917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083481/publication.txt
observed f61bcb3ecf0af07688401a26ac793e22...
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.