OpenTechnical

OT-2026-000044358

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000044358) never changes.

Identity and time

Publication numberOT-2026-000044358 · never reused
Internal UUID01a0ae7c-39d7-7429-bf71-1aafe20e6e91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044358
StatusPUBLIC

Content hashes

Canonical text1be8096acf648ce739419c4fdde495c1ef0ce3c38f8eb6b2a54d7166f9cf4471
Markdown32d72ad1753b1d50028fc12d073a570d18bfb18a683656c4189d4f71d09666d3
PDF
Publication page0e7816a4002139d25a296efd5c471537098f341443b67624066b034813044798
Manifest69c37bd373d98eaaab0dfc01701ffb1474ea83df001585fbc9b44fd1f2047480

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
SignatureqBl6aq98FG0/D/miozA+CYnAfL+mSlwVFwewaWXvEtzpAIxQBAwvHoY0y5PXrkLKd6WNf03enVfz80I6nhNEBA==
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

2026-09-17T08:30:28.532594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044358
observed 0e7816a4002139d25a296efd5c471537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:28.514323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044358/manifest.json
observed 69c37bd373d98eaaab0dfc01701ffb14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:28.494051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044358/publication.md
observed 32d72ad1753b1d50028fc12d073a570d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:28.472304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044358/publication.txt
observed 1be8096acf648ce739419c4fdde495c1...
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.