OpenTechnical

OT-2026-000072522

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000072522) never changes.

Identity and time

Publication numberOT-2026-000072522 · never reused
Internal UUID01a0ae92-89d8-710d-a795-98f4a9abd70c · 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-2026-000072522
StatusPUBLIC

Content hashes

Canonical text85ef6d324cbd5bb588410a97533f4947a0cc821580bc99c9002d04f6bf708eb9
Markdownb23117ee20fe53770d9f95fc281796326405721dad27c6646889bc3a70aa51ec
PDF
Publication page8f3ba22eb31214b9fff2c3f57a4ebbd71a9fd4d1fb32a8f03cb8e7a44193a953
Manifest04bb5aff6d80410b5245838d4600fe9c9856f2739c003f97d91719aaae776fd1

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
SignatureZ5M+3TM6vPKHHx4j3ISuExOHTrn0qpQdT0wlX7aPQ+f1FJ2AkBCH9KjU+t1SUEhZSPPd3HcVdN47ktd4gd6rCA==
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

2026-09-17T10:22:21.212786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072522
observed 8f3ba22eb31214b9fff2c3f57a4ebbd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.195873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072522/manifest.json
observed 04bb5aff6d80410b5245838d4600fe9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.177637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072522/publication.md
observed b23117ee20fe53770d9f95fc28179632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.160821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072522/publication.txt
observed 85ef6d324cbd5bb588410a97533f4947...
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.