OpenTechnical

OT-2026-000067580

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000067580) never changes.

Identity and time

Publication numberOT-2026-000067580 · never reused
Internal UUID01a0ae8f-6bda-7185-8aa2-7d63d0a43237 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067580
StatusPUBLIC

Content hashes

Canonical text01e921aef30137a07e3c43b5cca968e48e65325a2e5fc1a167553a2f5948f2f0
Markdown760265a09bd456d85a585a900aca663683cd8041257b5da007a7939e95cd67a7
PDF
Publication page5ae3c9a4ab6c34598d3abd2d0a47318430145c1cad9bbf3af03814b4bcd981b5
Manifestf7f9dbdb4fccdc37ce6176c795f68d54cfd98a93f73dc62c351287c1023ff7e5

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
SignatureZ4/Rr7PjAiAacuNylEsinAShtrF0qpgVwZWzpBUo7ijMk44WHkT7VyEnQIC6nMoet6KiKk7VaxHP/wbc/iqNBw==
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

2026-09-17T10:31:53.590085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067580
observed 5ae3c9a4ab6c34598d3abd2d0a473184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.571704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067580/manifest.json
observed f7f9dbdb4fccdc37ce6176c795f68d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.554305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067580/publication.md
observed 760265a09bd456d85a585a900aca6636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.537721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067580/publication.txt
observed 01e921aef30137a07e3c43b5cca968e4...
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.