OpenTechnical

OT-2026-000072655

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000072655) never changes.

Identity and time

Publication numberOT-2026-000072655 · never reused
Internal UUID01a0ae92-89d9-7388-958c-aac74c28aa53 · 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-2026-000072655
StatusPUBLIC

Content hashes

Canonical textf427e7a22e55be2366a9a8ac93f99eab86ca78f219677e646f62eab0ef169334
Markdownb2bb964296a43b8fc9a541745ac9b340090f6238cd5b8e368310fb2314fcb7dd
PDF
Publication pagec88a12e901bfeb6d3fe12ff11586fed0b4ff63571beeb0214cd5c72ea53109bb
Manifeste86ca3c193dd0bd694ba94a51243df51cdcf8b69375e0a533562f347b85a97de

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
SignatureVKwAbFgnGGDbHTEGY72Za2AlRukFjaZqDRuEsX105NjwmzUWCV7TdyFqoVK2exL/3d7TuRTZi1jsr5/gW+fVDQ==
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

2026-09-17T10:22:31.309409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072655
observed c88a12e901bfeb6d3fe12ff11586fed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.292334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072655/manifest.json
observed e86ca3c193dd0bd694ba94a51243df51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.274761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072655/publication.md
observed b2bb964296a43b8fc9a541745ac9b340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.258262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072655/publication.txt
observed f427e7a22e55be2366a9a8ac93f99eab...
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.