OpenTechnical

OT-2026-000056601

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000056601) never changes.

Identity and time

Publication numberOT-2026-000056601 · never reused
Internal UUID01a0ae87-7af5-7142-b4e7-35e84a5cf380 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056601
StatusPUBLIC

Content hashes

Canonical textbbe49091b461cec3a93528b11850e150e362ff778ad333a13394dc1714471c5d
Markdown941f1fa45bdd6c67a74c523be8b4fba2c3c6d0ba7d8ed64b2935657680c268dd
PDF
Publication page29cb01915c3c519f1dc61f229a6883f69e8d5b47f38c50152b68a1c0d769df84
Manifestec46352bfeb3f369edb7c442184a7031566551efa2a43125e21f28c338d50258

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
SignatureebXzCn09klkyFjDhQz54xKGs8PQ6XKZ9CEInk4mxnBhvSCN7uZRL5ZxIc/2A6wVkyLx7zQFtYL/umBCClK0GDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:57.019844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056601
observed 29cb01915c3c519f1dc61f229a6883f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:56.999814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056601/manifest.json
observed ec46352bfeb3f369edb7c442184a7031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:56.981910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056601/publication.md
observed 941f1fa45bdd6c67a74c523be8b4fba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:56.963455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056601/publication.txt
observed bbe49091b461cec3a93528b11850e150...
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.