OpenTechnical

OT-2026-000071367

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

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-2026-000071367) never changes.

Identity and time

Publication numberOT-2026-000071367 · never reused
Internal UUID01a0ae91-e0ed-7b8d-81e7-afc3e51232ce · 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-2026-000071367
StatusPUBLIC

Content hashes

Canonical text9ab00082be5849ac05b31b5214193bb10427f34217131066b019980d0817e71b
Markdown4e6c8c4c5e5723bbd7c6d6f2227527e2b893bdb75fa9099710260a0281235c82
PDF
Publication page147cd8d14d73d0d004f11907769f17420fafb575f6aac4b63128d3e73ffb6bbc
Manifest516466b824a093613c0ffb15aea7aec52dbd03a8268bd8d1ef40818396c2fba8

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
SignaturevUlRviSLgnKKvR+MQ7KA366NSzF1X7TlkTztLDSDZp4xd49He2sIkrbzZKAETfFJfucf403axZV3DQDe1378CA==
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

2026-09-17T10:24:58.828772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071367
observed 147cd8d14d73d0d004f11907769f1742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.809319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071367/manifest.json
observed 516466b824a093613c0ffb15aea7aec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.792538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071367/publication.md
observed 4e6c8c4c5e5723bbd7c6d6f2227527e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.775407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071367/publication.txt
observed 9ab00082be5849ac05b31b5214193bb1...
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.