OpenTechnical

OT-2026-000029650

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000029650) never changes.

Identity and time

Publication numberOT-2026-000029650 · never reused
Internal UUID01a0ae73-5e23-7575-a5d5-89caa87d95f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029650
StatusPUBLIC

Content hashes

Canonical text99bc1b5558acd10ab4804543208cec3e1fc29dd4e6234a7166c941f912707ba8
Markdown64484eea89006217c141f39c1faaf8b5e4eaaa4c1e0889a323ec193ca4288d75
PDF
Publication pagea69c3faaa5364b6f8b86cade53eb9dc8d1b981dbbba7c757826848d924457fc5
Manifest96bb2b0c671f0c7fcfaf0b44bd972c0d9138c3c0b502410a4e21e7869fb41e67

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
SignaturehScd/qdbf6pLu5k21niPBrdHReK6jRuVzwzcYTFIHF/eyO6LJh4zVYI89D01eS6SGI4jxuFEh09QU1v1rF7NBw==
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

2026-09-17T11:39:21.929744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029650
observed a69c3faaa5364b6f8b86cade53eb9dc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.913334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029650/manifest.json
observed 96bb2b0c671f0c7fcfaf0b44bd972c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.894116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029650/publication.md
observed 64484eea89006217c141f39c1faaf8b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.877404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029650/publication.txt
observed 99bc1b5558acd10ab4804543208cec3e...
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.