OpenTechnical

OT-2026-000069178

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000069178) never changes.

Identity and time

Publication numberOT-2026-000069178 · never reused
Internal UUID01a0ae90-6dcf-7276-a82a-25119bb69cd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069178
StatusPUBLIC

Content hashes

Canonical text7e2ff9108a96fe1d958fc5f75fa98fb5e398af3c34b738e8128bbd1e308d082e
Markdown42fba62fbd3248bce9846030e987ecd321eda723e9cf923635cbb8d5aa64d131
PDF
Publication pagea509c031d1631a93c48efeb05b96d0e8c9682562e3fedcee8f7bed24b063cc2f
Manifest464ab8676c4b6dd3a2da413d30b1eb844783c4b80779c8b8be783ca94ef89a29

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
Signaturek3crvG7DRSL3yQVk98u4S2sucI3KakdKyU2O3omfBVZNknwmhaXgT0u+tK4y87AKvxq2ZWBhMl/UNJdE2rrLCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:04.313138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069178
observed a509c031d1631a93c48efeb05b96d0e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.293299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069178/manifest.json
observed 464ab8676c4b6dd3a2da413d30b1eb84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.274118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069178/publication.md
observed 42fba62fbd3248bce9846030e987ecd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.253193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069178/publication.txt
observed 7e2ff9108a96fe1d958fc5f75fa98fb5...
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.