OpenTechnical

OT-2026-000012468

Publication integrity record

Four bellows 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-2026-000012468) never changes.

Identity and time

Publication numberOT-2026-000012468 · never reused
Internal UUID01a0ae6d-39f7-790a-9a0c-ef2154e4e359 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012468
StatusPUBLIC

Content hashes

Canonical text0c37ef56798beb0fbef17f6b015870b54b983f5b662e6aed086f036c298e6bcb
Markdowned1fd23c16ab00abf03a327911e18f3579c9ad70afe3129dbc5aae3b09064b49
PDF
Publication page4f227ac14724930172d661ea301c4afd228dc618ceffe6fae3c29e4f211fd716
Manifestb0a95d5315f375a1f0c6fb3f27fa941734c7a420145c6c08e93453701929b117

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
SignatureSlg65CJvwDdSt3M/f8NQQL5vne4Mfg/C7Mc3sZpZXiZoW/36xFCDZYnYYO5yWVaYNw295n5p2RhypkQALGU2AQ==
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

2026-09-17T12:11:58.690297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012468
observed 4f227ac14724930172d661ea301c4afd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.672141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012468/manifest.json
observed b0a95d5315f375a1f0c6fb3f27fa9417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.653808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012468/publication.md
observed ed1fd23c16ab00abf03a327911e18f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.636626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012468/publication.txt
observed 0c37ef56798beb0fbef17f6b015870b5...
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.