OpenTechnical

OT-2026-000076139

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, 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-2026-000076139) never changes.

Identity and time

Publication numberOT-2026-000076139 · never reused
Internal UUID01a0ae94-6a6f-7240-90e6-e340fbe20213 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076139
StatusPUBLIC

Content hashes

Canonical text4668d6da56f30160f9ff6afec57571056f18d92c656e7ee94289a8393bde012e
Markdown6a5b147fb80ad9240e8689df618ed2204a1e7cf5e8d2cb3f0787b3b3fbbd7ee6
PDF
Publication pageb74e85aa93712bb6157a32147c28f8bb391201dd508723b40799409ecf08bf3a
Manifest3f9b2d90dc355b6b9422a4c60f45d6f1fb07cc1d4f90cf7d77a57c59f14c6292

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
SignatureLmJksxboi8m+iiipKm45Vaq6i8kbmxJQfAcbmt1TOjAw8JGS2Ke4pNvibvQ/lGJxrwc0Xx4EVhAtT2ejEDRiAA==
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

2026-09-17T10:11:09.702152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076139
observed b74e85aa93712bb6157a32147c28f8bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:09.558677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076139/manifest.json
observed 3f9b2d90dc355b6b9422a4c60f45d6f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:09.539858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076139/publication.md
observed 6a5b147fb80ad9240e8689df618ed220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:09.519806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076139/publication.txt
observed 4668d6da56f30160f9ff6afec5757105...
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.