OpenTechnical

OT-2026-000029346

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000029346) never changes.

Identity and time

Publication numberOT-2026-000029346 · never reused
Internal UUID01a0ae73-5e20-7c00-bc34-9ea89e156f8d · 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-2026-000029346
StatusPUBLIC

Content hashes

Canonical textde40535dcee9ecab2ff71e110291969d91120f011cd792cb87a35aa66b1cbaa3
Markdown7e8f666101206fb2be279062936335a356250f5b25cc4c75ddcfa56bd6426447
PDF
Publication page0a80057f632e56f9b796410cd74588cff135073aa2eae9c95cbb58945f3d3553
Manifest8a3f949adb1055ab258975200fbb02343806e16805f3bc9cc5bb6f0a516d8873

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
SignatureJ041w5VCnB8J2dHBYcEENx5ivrZKo5qd6+z5GMvn+bq0ABLKkiGOO1Y6f0c1Pplj6iXUZjggLf+cvCgATSYLAA==
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

2026-09-17T11:38:53.904467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029346
observed 0a80057f632e56f9b796410cd74588cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.885911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029346/manifest.json
observed 8a3f949adb1055ab258975200fbb0234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.866229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029346/publication.md
observed 7e8f666101206fb2be279062936335a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.846463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029346/publication.txt
observed de40535dcee9ecab2ff71e110291969d...
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.