OpenTechnical

OT-2026-000076916

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000076916) never changes.

Identity and time

Publication numberOT-2026-000076916 · never reused
Internal UUID01a0ae94-b070-788c-982c-a65d1b969104 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076916
StatusPUBLIC

Content hashes

Canonical textbaee8713986f1479fbfb6bf3504718ea2ae1712cbdc166a4b02b908701f77613
Markdownd3027edb64a72f35349cb7a007b36c26b6cf080059f1f9bcfa281e6ef410a459
PDF
Publication page4c17a277db50a317a8c2135eaed4a9b9a7067bdef2c7b4e137b70c7f64975ee2
Manifest6dd2bf16b5d5e00865c2dc34e54798f88ce6acc1cb2f6810a5f215418c38812f

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
SignatureQzw4tG71QAeOgxzyDS0ZLb0OOscDRqluzNVBUsDpOLq90wuih4g6VhN4VwHssN1gU1F+cE8L9iCVpJKZX8WxCA==
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

2026-09-17T10:09:50.711809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076916
observed 4c17a277db50a317a8c2135eaed4a9b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:50.693206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076916/manifest.json
observed 6dd2bf16b5d5e00865c2dc34e54798f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:50.554170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076916/publication.md
observed d3027edb64a72f35349cb7a007b36c26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:50.534788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076916/publication.txt
observed baee8713986f1479fbfb6bf3504718ea...
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.