OpenTechnical

OT-2026-000092619

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000092619) never changes.

Identity and time

Publication numberOT-2026-000092619 · never reused
Internal UUID01a0ae9d-b5fe-741b-a664-2f07f331fd8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092619
StatusPUBLIC

Content hashes

Canonical texta1340a1378c36c6bd255553cb9d96bb0fd3cecd167f69554c4c3c3853fcda978
Markdown567392c4c5bf36c621e3d0e0ea836c50c6b461dceb368bb4123f54e92fff06bd
PDF
Publication page49cacc3d40ce1d8adeab80609bba4fab42452dee6082c1d5874edfe7d08b5b44
Manifest51698bff1c7e4553fb6da9fc4c9596e60dcd996506385b423d3da201c15b4660

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
SignaturedjQysnAq+88uhXr8AmbGtaQuaQji24YLTQeYjwsNppBP0ZdCopWzNcMgIuF66GWkD1228r3VFxPWM2MTXwkFAw==
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

2026-09-17T09:41:13.089411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092619
observed 49cacc3d40ce1d8adeab80609bba4fab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:13.071449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092619/manifest.json
observed 51698bff1c7e4553fb6da9fc4c9596e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:13.055482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092619/publication.md
observed 567392c4c5bf36c621e3d0e0ea836c50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:13.034441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092619/publication.txt
observed a1340a1378c36c6bd255553cb9d96bb0...
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.