OpenTechnical

OT-2026-000014461

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed 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-2026-000014461) never changes.

Identity and time

Publication numberOT-2026-000014461 · never reused
Internal UUID01a0ae6d-b27b-79ca-942a-8e9c346250d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014461
StatusPUBLIC

Content hashes

Canonical textd22617cca59152df9aa95d090b98e4ba2f2166277c5914ecf2c19b15400f77d2
Markdown1769f4b4c897873ad5eccfefb76d6aa63217c32937edf2fdfaa427947a03bdde
PDF
Publication page58c1f2326dbd774f360d5f10bd9fc976e860762920c75aea5ced5ed264d5be7b
Manifestf8306f387f6d5faa917f2126d68190d56dbfa67cd8591e7b468cff82c574b3fa

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
SignaturevGP57B3BFezUal34Q3qjy6uprdYvHgf1lBFT6F1OUkFK5mGdjiEPWF+OMqIWjFjGBi+ZY6hFuJb7Cj8plrLaBA==
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

2026-09-17T12:10:16.106742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014461
observed 58c1f2326dbd774f360d5f10bd9fc976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.084356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014461/manifest.json
observed f8306f387f6d5faa917f2126d68190d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.063631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014461/publication.md
observed 1769f4b4c897873ad5eccfefb76d6aa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.043574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014461/publication.txt
observed d22617cca59152df9aa95d090b98e4ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:20.397989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014461
observed 58c1f2326dbd774f360d5f10bd9fc976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:20.380710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014461/manifest.json
observed f8306f387f6d5faa917f2126d68190d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:20.363924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014461/publication.md
observed 1769f4b4c897873ad5eccfefb76d6aa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:20.346231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014461/publication.txt
observed d22617cca59152df9aa95d090b98e4ba...
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.