OpenTechnical

OT-2026-000072293

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000072293) never changes.

Identity and time

Publication numberOT-2026-000072293 · never reused
Internal UUID01a0ae92-47c3-72af-b458-c9237dc72b51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072293
StatusPUBLIC

Content hashes

Canonical textfb35430ef9807e9f1d16ed170920b5955a09e8f833bdc617733b7d1aee4722e9
Markdown4d5b07c2f645850da95138bc47ffce3d6907aca164bad97f05be8beea5a884ba
PDF
Publication page0745ba6442810c474701e3d9a94f35355cb6920da89132bcf5eb6053c4ed7a84
Manifest04d5d1a0a4e8724a23d4f65870e6fe6a955ad6b9c366735609cb821e38886296

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
Signature1g+D9/RJe4JqE1hGFDcL107rBn5LCBl3mfO8TXC1o/liGigDV3La6rJNACiw7vWbEjqagn/snbpz5+q4hWHhAQ==
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

2026-09-17T10:23:30.656978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072293
observed 0745ba6442810c474701e3d9a94f3535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:30.637582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072293/manifest.json
observed 04d5d1a0a4e8724a23d4f65870e6fe6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:30.614215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072293/publication.md
observed 4d5b07c2f645850da95138bc47ffce3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:30.594099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072293/publication.txt
observed fb35430ef9807e9f1d16ed170920b595...
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.