OpenTechnical

OT-2026-000029465

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000029465) never changes.

Identity and time

Publication numberOT-2026-000029465 · never reused
Internal UUID01a0ae73-5e21-7fec-9fdc-c860c656cf20 · 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-2026-000029465
StatusPUBLIC

Content hashes

Canonical text35a2204c7a644a6c3e8490831471cce8028111776b778a423361f67944a32e1e
Markdown7ec650ff694b7d3ad750f579dad5bf8745d2a843b5c835b7bba9cb7be6161a4c
PDF
Publication pagef5cfb91caa58e2ded8b4550d14e1c28343dee8beb514c20010c98e77cb652bb2
Manifest2db45ee4e54828b472728db2a510cf6727e087346f08bd5bcb1d6bd85f38a745

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
SignatureBE4o14erqKQdA6OV2UTwKMDl+UtAVINFB02qJwrXUU06l8SeHMd2mgYC6J1ia0zHZTDfEmqUtbarAy8cNCeyAg==
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

2026-09-17T11:39:05.258740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029465
observed f5cfb91caa58e2ded8b4550d14e1c283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.239411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029465/manifest.json
observed 2db45ee4e54828b472728db2a510cf67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.220648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029465/publication.md
observed 7ec650ff694b7d3ad750f579dad5bf87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.201108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029465/publication.txt
observed 35a2204c7a644a6c3e8490831471cce8...
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.