OpenTechnical

OT-2026-000072811

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum 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-2026-000072811) never changes.

Identity and time

Publication numberOT-2026-000072811 · never reused
Internal UUID01a0ae92-89da-7bcb-80b3-f421d6c3d76a · 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-2026-000072811
StatusPUBLIC

Content hashes

Canonical text59f096d80d0e74f979bdadef3efb9144fabd34d5cd31a79d257ffcae67da9cee
Markdownf4734e72e98fe66ad4d287c5525d87540e1c7cc8d4f93f1d9c682ddb88e0543c
PDF
Publication page81c1033cb978b33790927181e2683c05c615fcc31ccfc34ac681cda067e28369
Manifestaec411e34acc8043e2a5b3f6799bd0e20426e6f18e259ba069c1260aad16b523

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
Signatureek8u/3u1fR7wbtfd1Y4hX/mzXr0kuL+5A9CzLPEWhfK6mSw9qjH+lMagb0gQz0gdKYAnejEty6p3cTz1pEYOCg==
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

2026-09-17T10:22:43.665406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072811
observed 81c1033cb978b33790927181e2683c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.649015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072811/manifest.json
observed aec411e34acc8043e2a5b3f6799bd0e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.631947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072811/publication.md
observed f4734e72e98fe66ad4d287c5525d8754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.613798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072811/publication.txt
observed 59f096d80d0e74f979bdadef3efb9144...
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.