OpenTechnical

OT-2026-000076580

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000076580) never changes.

Identity and time

Publication numberOT-2026-000076580 · never reused
Internal UUID01a0ae94-b06e-7a0c-aa68-fa41c839ec47 · 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-2026-000076580
StatusPUBLIC

Content hashes

Canonical textb8166cf2fa624fde6aa60e0a16da3314f4352e048af7ce4a7388d75094b0aab8
Markdownba01bddaf87cb6a0a12818a9f6d15d626db5826e57fd2b0a977ce573bd033eb3
PDF
Publication page4df089283d2fa4c4ab39d4ded5d6dbc4a55592511918a14017bb77f59bd42b44
Manifestb40f91f426197023fd0f37b94dc33e8f15f161c9423e5e5a3f0498cb69c87da2

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
SignatureZgudmu2EXcgL/DbcU9KMfu+VWuXLv5RZd8QGfgCITzdqnZiN3ti1zxNkL2Kegh8Yud0SW5QE8YmolZrb+fezDw==
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

2026-09-17T10:09:18.136538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076580
observed 4df089283d2fa4c4ab39d4ded5d6dbc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.117912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076580/manifest.json
observed b40f91f426197023fd0f37b94dc33e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.099965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076580/publication.md
observed ba01bddaf87cb6a0a12818a9f6d15d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.082318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076580/publication.txt
observed b8166cf2fa624fde6aa60e0a16da3314...
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.