OpenTechnical

OT-2026-000067757

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000067757) never changes.

Identity and time

Publication numberOT-2026-000067757 · never reused
Internal UUID01a0ae8f-c4fa-7b4c-9fb5-62725bb8432b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067757
StatusPUBLIC

Content hashes

Canonical texted31103cfa2c4c142988eb983f9922f4a3e2396bc6da801ad5592ab08e60c1c0
Markdownbb3948c3a789525759693fe1342bb412200ea0b7344314a8c783bf2b6fba888d
PDF
Publication page8e7e42bcfe4ec489d9989f0e830d4ac3442d9de0831be3b076e24f845cbbcacc
Manifest0f413eb59efb554fcb608de8d5d71b5a703f0e793f2cc9fbebf2e94d99ba8ffd

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
SignatureMzhR74+sJ5JUAP7aG2oKzVkrIcrX3nlVisQTxKrFbjwR817lGUip7lMaOm17EB7FmmdW9SRed9sBWpDqP+h5BQ==
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

2026-09-17T10:29:59.102767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067757
observed 8e7e42bcfe4ec489d9989f0e830d4ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:59.085466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067757/manifest.json
observed 0f413eb59efb554fcb608de8d5d71b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:59.066588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067757/publication.md
observed bb3948c3a789525759693fe1342bb412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:59.047445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067757/publication.txt
observed ed31103cfa2c4c142988eb983f9922f4...
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.