OpenTechnical

OT-2026-000072766

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000072766) never changes.

Identity and time

Publication numberOT-2026-000072766 · never reused
Internal UUID01a0ae92-89da-7dc2-9091-530776cd27e7 · 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-2026-000072766
StatusPUBLIC

Content hashes

Canonical textab7c8235cf6abeed49c487b52d1c1083b3bbb31836cb3c852e3648de0494d2fe
Markdown3b73845229c08af065249192ac9bd3787fc939e0102ea2fdfda6b932e1055ce1
PDF
Publication page55a2b77b9718580cb42bd8231379e937bacb28df4c2caaf32c7027d767101ef6
Manifest779f1eb0c88152322dda2462a1a4af361054db3cc784641e1c3cb5fdb89f3a5a

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
SignatureKlL+xJDXFGdXEg7qIA+O3ej2xxv8b3pM02a3WP6ZNKC3mwJ1Oy45dE6KOyJ+v/7hF0QhmqsW/mw3bLrkv0yiAw==
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

2026-09-17T10:22:40.469865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072766
observed 55a2b77b9718580cb42bd8231379e937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.455545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072766/manifest.json
observed 779f1eb0c88152322dda2462a1a4af36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.438070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072766/publication.md
observed 3b73845229c08af065249192ac9bd378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.420623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072766/publication.txt
observed ab7c8235cf6abeed49c487b52d1c1083...
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.