OpenTechnical

OT-2026-000096172

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000096172) never changes.

Identity and time

Publication numberOT-2026-000096172 · never reused
Internal UUID01a0aea0-585e-7584-84c4-61f6d4c35003 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:59.115534Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096172
StatusPUBLIC

Content hashes

Canonical textc3a9bdc36f275ce0bcad9a968eee0b27000c1b86f827b508bf7eb8efc9203fc0
Markdown7e3fb65ed437da63fdd88af10b6aeb5e531a7973a42ea75e38870569712a3335
PDF
Publication pagea8e9f9200a3b55d947a17b616f1274b34fcfaabe7d248e8e710044eb67a1c628
Manifestf053d511f676eae5e9dc43da89504720e715840e1b4ba05b1e32ce70e16b53b3

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
Signature9dvgKdBArvlAB5qy+244uiKNY/skMla09SxIRn1NBsJ5Zn2kGGeqLzId1e3ryuO1mxtai+WLo+j6Q+lmskOlDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:34:40.701838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096172
observed a8e9f9200a3b55d947a17b616f1274b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:40.683625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096172/manifest.json
observed f053d511f676eae5e9dc43da89504720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:40.666703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096172/publication.md
observed 7e3fb65ed437da63fdd88af10b6aeb5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:40.647903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096172/publication.txt
observed c3a9bdc36f275ce0bcad9a968eee0b27...
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.