OpenTechnical

OT-2026-000079460

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000079460) never changes.

Identity and time

Publication numberOT-2026-000079460 · never reused
Internal UUID01a0ae96-0b91-72f5-9392-aa8f5862ed6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079460
StatusPUBLIC

Content hashes

Canonical texta33595bd3fa0d4b027caf4828808cb513499649e82a4249d1e20111ab800528d
Markdownf282a76935eaf39782c694ccce9d2fe14856be47923077485af4abb20b73e98e
PDF
Publication page089413439379884fcbe8b682ecd573c285eccf3d796346e073a9e8c74e67a589
Manifestb4e4f82865758373acbfe5829e2238186f55a14552bada1eb38098d0ea7766aa

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
SignatureMCy+oIGXrc3dkHhvPtNhiRSmQbhNs/Zo1BnAedCq0s2KBcaDuW7+4smSh98JJ0C4s0WbnpImwv98uo6hzCSABA==
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

2026-09-17T10:05:05.213769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079460
observed 089413439379884fcbe8b682ecd573c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.196368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079460/manifest.json
observed b4e4f82865758373acbfe5829e223818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.180022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079460/publication.md
observed f282a76935eaf39782c694ccce9d2fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.163299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079460/publication.txt
observed a33595bd3fa0d4b027caf4828808cb51...
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.