OpenTechnical

OT-2026-000060652

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000060652) never changes.

Identity and time

Publication numberOT-2026-000060652 · never reused
Internal UUID01a0ae8a-b7cd-7a73-80df-30b954ec3a3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060652
StatusPUBLIC

Content hashes

Canonical textb0e723e309a03289fb14791f6ec467a8d6f43d44ff818650645f2c8cd4145445
Markdownb703f1a84d922eed5461773234f2ab2900518393cd05bbb27240cc48d1c77e86
PDF
Publication pagef55a961856ccc8d1c3b3eaaffd9bedb6ac6f2c47498ec65296a957883b024914
Manifest084a947345869800911c9f8f7593a33929660cc549299b00b3ceb5a1d7fb7a56

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
SignatureurcGPSe8f2Jn+sYDMZJ2u/8lVhIOBLeSdRw65KKOvMCgCx5gjRGjOXHqVbF96+UEC+gM0M/PpUx+D+C2hF1fCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:17.299217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060652
observed f55a961856ccc8d1c3b3eaaffd9bedb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:17.281739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060652/manifest.json
observed 084a947345869800911c9f8f7593a339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:17.265162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060652/publication.md
observed b703f1a84d922eed5461773234f2ab29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:17.246196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060652/publication.txt
observed b0e723e309a03289fb14791f6ec467a8...
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.