OpenTechnical

OT-2026-000095481

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000095481) never changes.

Identity and time

Publication numberOT-2026-000095481 · never reused
Internal UUID01a0ae9f-8f73-735b-969f-742a905a9515 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095481
StatusPUBLIC

Content hashes

Canonical texta4d060eaede75ff90d4afe6d44006fd44f5bd2889a3049974414d794c0ed63a8
Markdown63f24cf12a12f65fdd353178f8f91e5e018c2ac1f09cd795bdf59a6bd6eb08cc
PDF
Publication page9fe3fb447ac6533eda8f7e2eda746dba4049f92e6c67094cd8758adba59a8a57
Manifestac000465baa441db2f4ef4209fa8b10047fcbe7d6c5ee00f4eacb5d12d0e17a0

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
Signature77GsPtWIGvh+xOSIoZryb5vZtUnmSMbD5/KQTZ5YblwoURt8b7O1FTxBQNyMk684+SiSKlbsBWCgtTWqbRnRBg==
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

2026-09-17T09:36:51.449453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095481
observed 9fe3fb447ac6533eda8f7e2eda746dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.430412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095481/manifest.json
observed ac000465baa441db2f4ef4209fa8b100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.413608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095481/publication.md
observed 63f24cf12a12f65fdd353178f8f91e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.396563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095481/publication.txt
observed a4d060eaede75ff90d4afe6d44006fd4...
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.