OpenTechnical

OT-2026-000071365

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000071365) never changes.

Identity and time

Publication numberOT-2026-000071365 · never reused
Internal UUID01a0ae91-e0ed-751d-8341-a89691605a0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071365
StatusPUBLIC

Content hashes

Canonical text578bdb0a198b204810392d9cb64488b60986dc4fc2f934d51f3faf09908b94ab
Markdown989bb9d5867f226e32797ba6f49500652c966d09e5de80d7119c9cb25ad019c1
PDF
Publication page274ed4ad01cd5536671cde2d4840f241a47ea9ea1b98fa60a4e645add5fd67fe
Manifest499eecf5a7337ed51b89aeca8bbf283858a99e4f54d8064c0bcbcdddb8237794

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
SignatureU1xQNLkZKUpPt/vAyL1UiLEDvlKwMUySmqETna/CYuarBloxB4BDMW7QCPuC1xBgxJ3X4Vot3UlhkvsNx9riAw==
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

2026-09-17T10:24:58.676970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071365
observed 274ed4ad01cd5536671cde2d4840f241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.659860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071365/manifest.json
observed 499eecf5a7337ed51b89aeca8bbf2838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.642316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071365/publication.md
observed 989bb9d5867f226e32797ba6f4950065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.625305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071365/publication.txt
observed 578bdb0a198b204810392d9cb64488b6...
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.