OpenTechnical

OT-2026-000039545

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000039545) never changes.

Identity and time

Publication numberOT-2026-000039545 · never reused
Internal UUID01a0ae78-d8d3-77e1-88a2-94e32109f006 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039545
StatusPUBLIC

Content hashes

Canonical textcd5a4ace6ae8fee94a020c327a108201556d872b2a2b2eac0b4612efdb3aa6e4
Markdown6dc8b285b623cd38728877582551202727778b8c50244cab8bd411b49f5776d8
PDF
Publication page295a3eccffec6484e4b2be05ae528f4e4ec6ee6ce0ebcd1ab6034af09344116a
Manifestb2c70b4634e042a42a54d5266be9c2762b80d90a3d7fa3e132e320e65e813fd5

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
SignatureNHujeKhOd1wF9KoKCc+IvpRiZdUCp/3cn7eZQScZ1Se2M+8O49Vg/+UobSIYYgAnp9vt+sZ2Ppzyqe2uAtHwCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:41.780852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039545
observed 295a3eccffec6484e4b2be05ae528f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.765141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039545/manifest.json
observed b2c70b4634e042a42a54d5266be9c276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.748051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039545/publication.md
observed 6dc8b285b623cd387288775825512027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.728274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039545/publication.txt
observed cd5a4ace6ae8fee94a020c327a108201...
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.