OpenTechnical

OT-2026-000094604

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000094604) never changes.

Identity and time

Publication numberOT-2026-000094604 · never reused
Internal UUID01a0ae9e-f4ea-767c-a6f3-5c1af753f22f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:28.117587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094604
StatusPUBLIC

Content hashes

Canonical texteeca2f41532ce426ba0a6a1e1fbfc74eb325b6d02422525fbfe3ea067c32d933
Markdown3eeb2750785443c8e1f292da5ad4b45e000368c3d042920522e3da9144e7b9b4
PDF
Publication pageaf820a46e9988b7527da471239097c57b99af8b23cc75234738fd86099fe0037
Manifest5d04676ea249ae062efef0b6169926682370a0a262018c85fd2c15806793f84f

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
Signature2yFxG0kzPolKWmmoAN/WHyefNvpqHjT6AwKP/5NtEAB/li/p9a40xUE09d+IyZhv0yKTVJwhyJvvXYJgHsjzDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:04.083601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094604
observed af820a46e9988b7527da471239097c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:04.065426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094604/manifest.json
observed 5d04676ea249ae062efef0b616992668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:04.046581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094604/publication.md
observed 3eeb2750785443c8e1f292da5ad4b45e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:04.026780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094604/publication.txt
observed eeca2f41532ce426ba0a6a1e1fbfc74e...
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.