OpenTechnical

OT-2026-000072541

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000072541) never changes.

Identity and time

Publication numberOT-2026-000072541 · never reused
Internal UUID01a0ae92-89d8-764f-94f4-cf6f60abab50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072541
StatusPUBLIC

Content hashes

Canonical textcddb52a42e1fcd9af7500ea683e8d0de3d55f6e91ea73b3b3ede12c366c32b22
Markdown539750695cecad2ee98422abe3fa170c030997a5539e19f2769a6e88a4208d6d
PDF
Publication page7bf4c82c1d5b3931a3320d00d19c3ad1e020f44918811cedd90b470a25c85392
Manifest6d9aef428964b1e10d3fb932745c90b8510a719fd5a2433c00af4ae07285af0b

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
SignatureUi0HF2YnNrdLnN0cvCERywfLS10nJ/Z2v3DI1NPA4kZFI1/LDF8jme11fcfDhm+rvtl5J4LCkSFQLFyk/xjnAg==
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

2026-09-17T10:22:22.374915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072541
observed 7bf4c82c1d5b3931a3320d00d19c3ad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.357572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072541/manifest.json
observed 6d9aef428964b1e10d3fb932745c90b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.338462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072541/publication.md
observed 539750695cecad2ee98422abe3fa170c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.320019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072541/publication.txt
observed cddb52a42e1fcd9af7500ea683e8d0de...
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.