OpenTechnical

OT-2026-000030326

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000030326) never changes.

Identity and time

Publication numberOT-2026-000030326 · never reused
Internal UUID01a0ae73-e501-7881-8ab2-5ab1384832e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030326
StatusPUBLIC

Content hashes

Canonical textf60231857e454d30583f300ab848fbcd4007272e9ed7fe1322bb3c3336cf7e9d
Markdown616f9c112558e5c2c1d0e73ad89d743bfc1b9e33753ab72c95eed831ed99aeab
PDF
Publication page195ba22cbe6851cecda3ac14d85b764d65391abcaf04a6af8b98e500943290f0
Manifest34ec0d16845e7407ce0c4b2ea2dc25987db52b36af1ecaf24da28abc7109bf33

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
SignatureY4uvdAy6THZci/DljRaGv9ZwKb5Um4HaWgNCMQvvF5urXA3KVvqHSSP2YzkM1nKBEY+aczVPYCPI9RZl3Qp0Ag==
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

2026-09-17T11:38:02.115048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030326
observed 195ba22cbe6851cecda3ac14d85b764d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.098544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030326/manifest.json
observed 34ec0d16845e7407ce0c4b2ea2dc2598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.080081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030326/publication.md
observed 616f9c112558e5c2c1d0e73ad89d743b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.062734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030326/publication.txt
observed f60231857e454d30583f300ab848fbcd...
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.