OpenTechnical

OT-2026-000066598

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000066598) never changes.

Identity and time

Publication numberOT-2026-000066598 · never reused
Internal UUID01a0ae8e-ce41-76e5-8bdd-3c273e94408d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066598
StatusPUBLIC

Content hashes

Canonical textfece5739b3f059ccee9d85cf74809d43efcfd139e6f6d6d3ef6ad7016675117e
Markdown5dc19a4cb0180139156b66d1cc2eec3f698a8a7f9c83dd9d69c6bc13b7d858c7
PDF
Publication page37d9dd5e773dac5d92d3838b1972b4b450dedb297e110bcb5a80fa557e2071e9
Manifestad663ac708ffae7c4a9409110bdf8d77765fb13d323e506b3cb53f4e36994897

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
SignatureFP0cdZDdTKoaQGrNIVCtbfFJ2rnyWqY0MlX4TLixOFAQUZt/Qs1ZU/KNgTAqg5XLU8QF8yaacpmgLFuUfIYkBA==
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

2026-09-17T10:32:58.140423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066598
observed 37d9dd5e773dac5d92d3838b1972b4b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:58.116333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066598/manifest.json
observed ad663ac708ffae7c4a9409110bdf8d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:58.098393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066598/publication.md
observed 5dc19a4cb0180139156b66d1cc2eec3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:58.079363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066598/publication.txt
observed fece5739b3f059ccee9d85cf74809d43...
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.