OpenTechnical

OT-2026-000029810

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000029810) never changes.

Identity and time

Publication numberOT-2026-000029810 · never reused
Internal UUID01a0ae73-5e24-71c3-9610-f2a3f3fdc271 · 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-2026-000029810
StatusPUBLIC

Content hashes

Canonical text00eace22ec1a4fdff02c18560bdfe08d5f968d60a58dd747b2f52ab14037440a
Markdown8c1eeab0603dd267f0a61a73fe37d3c3adb1f4bfdc17497d0f643ef6b7b663c3
PDF
Publication pageadfadc15bb8424e6c3c9b65fa2fb7426ccd534b2ddb1b47a6b832122fbbf1ab8
Manifest91958df69905dd715e2c2086ed20b8f9ac7076a027d8dcc3bb96025f315e920f

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
SignaturehWmo3r3UB67ePiw7VQBgKr/V+tDfHU4EypvbWq1ky7veAK1+mBhyMgx0e7HbiedYkAMEoWsiXkt8xSLo7BwODA==
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

2026-09-17T11:39:34.922950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029810
observed adfadc15bb8424e6c3c9b65fa2fb7426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.904243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029810/manifest.json
observed 91958df69905dd715e2c2086ed20b8f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.884847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029810/publication.md
observed 8c1eeab0603dd267f0a61a73fe37d3c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.860581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029810/publication.txt
observed 00eace22ec1a4fdff02c18560bdfe08d...
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.