OpenTechnical

OT-2026-000076327

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076327) never changes.

Identity and time

Publication numberOT-2026-000076327 · never reused
Internal UUID01a0ae94-6a70-74a6-8a50-45dbdd9d0e2f · 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-2026-000076327
StatusPUBLIC

Content hashes

Canonical text7f09a6f6adc5cbd856c78ef3a5498cb077636b6ce0fe9c63afebacd71152273d
Markdown987fcc03c914302c9632141584f5576ed1c95b6010e76f68fb3cb1a3baecad98
PDF
Publication page1c45eff774cfa8adfa53e829af67bbb7bce41ec1378ea59ca08f27fdd716f9a1
Manifestfbb6896841f773d9c8ebfe6146de83d4e7038ead0ae9e8addbe7c0a20fbbfb9d

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
SignaturepNZJWYfpXNFQZqioU0MrBa6klwYP6RRhVO4uncRWFEhQb7P/1VL9WJEIshQiY/wV6oCS66gTGgSZ3cIOryQwAg==
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

2026-09-17T10:12:10.890491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076327
observed 1c45eff774cfa8adfa53e829af67bbb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:10.872570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076327/manifest.json
observed fbb6896841f773d9c8ebfe6146de83d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:10.854849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076327/publication.md
observed 987fcc03c914302c9632141584f5576e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:10.836966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076327/publication.txt
observed 7f09a6f6adc5cbd856c78ef3a5498cb0...
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.