OpenTechnical

OT-2026-000071518

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000071518) never changes.

Identity and time

Publication numberOT-2026-000071518 · never reused
Internal UUID01a0ae91-e0ee-771b-b02f-6c37b71fb606 · 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-2026-000071518
StatusPUBLIC

Content hashes

Canonical textfca9d0bcfd5468a991120e1712dde14eeabc78b1c91fe20fdbd6a1ec8f1ea23e
Markdown55ee9cc43fbb51ffe852ca77329021155e1a4025d115654e266dbd2c37bb9673
PDF
Publication pagea21f2de8df9b84df83b1dcbe8ce8b2553b84affa37007e770390a9b986bff1b1
Manifest235218574f5444e18b964b90acf0ed853d25058aca590f4c2272a925046c7bf0

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
SignatureuQGLwwcadwphocDm2oCVQDHfvmlmRZFJ1gg3Fef7IW60mcL08MXD2xREl/pgTDbKLREyVmLUp9e7TS3pGUPyAg==
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

2026-09-17T10:25:09.962971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071518
observed a21f2de8df9b84df83b1dcbe8ce8b255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.944320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071518/manifest.json
observed 235218574f5444e18b964b90acf0ed85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.924922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071518/publication.md
observed 55ee9cc43fbb51ffe852ca7732902115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.907202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071518/publication.txt
observed fca9d0bcfd5468a991120e1712dde14e...
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.