OpenTechnical

OT-2026-000065142

Publication integrity record

Four pad foam 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-2026-000065142) never changes.

Identity and time

Publication numberOT-2026-000065142 · never reused
Internal UUID01a0ae8e-1df9-7fcf-9a0b-01ebd4d27852 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065142
StatusPUBLIC

Content hashes

Canonical textd89a5bd5b6fa1d56c6318ab99bd2eb5f5cc2e52e976b979a69445b48ef4d8615
Markdown155ac3f85c822bec75ceb7bdb29a58f540f27b68ab90ff8b4b9e722cd691a8a4
PDF
Publication page6ee509b08091b571c3252895cd81e9874720e057f397ab936861ea95a8e99174
Manifestaf555168d41f3136e4f0be6cabdf308d022197dae2dd97b8db870242e17c332a

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
SignatureTS8E2rlixp0IAn6KymK0ejJRnT4GOyYNwvnFPZOYnxmwXlnMX+zU/fMxA0ZAehFVDBV7Xj7jLTxu9ig808bVDQ==
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

2026-09-17T10:34:58.587149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065142
observed 6ee509b08091b571c3252895cd81e987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:58.570921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065142/manifest.json
observed af555168d41f3136e4f0be6cabdf308d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:58.554804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065142/publication.md
observed 155ac3f85c822bec75ceb7bdb29a58f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:58.537665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065142/publication.txt
observed d89a5bd5b6fa1d56c6318ab99bd2eb5f...
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.