OpenTechnical

OT-2026-000071800

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000071800) never changes.

Identity and time

Publication numberOT-2026-000071800 · never reused
Internal UUID01a0ae92-1e92-76b5-a242-52cb1af0beff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071800
StatusPUBLIC

Content hashes

Canonical textf6a1a3b8c517c1c2ee368e53ac637dfd7230f1f2726f8d6c8ba6da3f7d5df85a
Markdown38a455e05171302b6e0da203823361cf5286f44ee6df1b40adffa54917bbed0d
PDF
Publication pageec8074d331e29a1cf5dbd28a5785e71c250e6bb36c2edfb06a85bc9d75f2f223
Manifest3e5eef9628597ecc309c854bdc71a984761db8fd0a76a4fd98dc8edabc1d4319

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
SignatureCQr0Ia3jHsqnqygVUZvK/Xt4ss0yFQ2GDK58JAZ4lQk9W2Ew21VO9il1+6ikVr5eZD2T4w0Plr7i04B5EQwDCA==
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

2026-09-17T10:23:58.128994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071800
observed ec8074d331e29a1cf5dbd28a5785e71c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:58.111928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071800/manifest.json
observed 3e5eef9628597ecc309c854bdc71a984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:58.094291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071800/publication.md
observed 38a455e05171302b6e0da203823361cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:58.076610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071800/publication.txt
observed f6a1a3b8c517c1c2ee368e53ac637dfd...
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.