OpenTechnical

OT-2026-000073073

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000073073) never changes.

Identity and time

Publication numberOT-2026-000073073 · never reused
Internal UUID01a0ae92-c816-7831-8b0c-e02a492f6526 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073073
StatusPUBLIC

Content hashes

Canonical textab66e3076d1bb31f387740bf435533d9fd61d85e53a315ea8c7d235df23133c0
Markdown75e36925f5d917af5f0b5b9c15a37ab5c19e163428d4710e1ab2c5a1a8188b3c
PDF
Publication pagea1eaa44345864c395d7d42e1bd866372c3eb4dac0eed1a3360f326f31bd617eb
Manifesta68a182cae7c1c1f7a79c976adfe5d8c537018fcd6425c044c3cc95f04318026

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
SignatureaZAHFWc2dtSXzSYs4JqyvL55GWPAy+9/F8bVcBCl1zZJe6ENZYp6Af/MwZSGH4n9MNcPWafeJrFqQTDXHeRABA==
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

2026-09-17T10:22:01.371595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073073
observed a1eaa44345864c395d7d42e1bd866372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.353821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073073/manifest.json
observed a68a182cae7c1c1f7a79c976adfe5d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.334534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073073/publication.md
observed 75e36925f5d917af5f0b5b9c15a37ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.316178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073073/publication.txt
observed ab66e3076d1bb31f387740bf435533d9...
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.