OpenTechnical

OT-2026-000048364

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000048364) never changes.

Identity and time

Publication numberOT-2026-000048364 · never reused
Internal UUID01a0ae80-4de4-78d4-9e86-4d28048926d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048364
StatusPUBLIC

Content hashes

Canonical text405d88e82c333b1ed480a9959a5fbc47504d27ad63be916ba16fda23dc2f559b
Markdown29c636b6158f4f3e8c46fb8eaabaab02356a479a39ec9168462e4bc0a4ccba03
PDF
Publication page11951aede0bad7c7a1890ac871cc3a4d1fa91aa63f67ab3655c044b0ee44bdfc
Manifest1b1f96afe9269958e8b760125d2d69788c382b999cd813c4a3a1ac5485fccc5c

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
SignatureIoTIHJtULiE1lmy8bC6m4+bQnAcLM0LjobtRTbu9gTmYdU4pc7UKzO0Gj44AlNiYX4CWHbXqSLWxVl7O50TDDg==
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

2026-09-17T11:04:59.152136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048364
observed 11951aede0bad7c7a1890ac871cc3a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.131814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048364/manifest.json
observed 1b1f96afe9269958e8b760125d2d6978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.111572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048364/publication.md
observed 29c636b6158f4f3e8c46fb8eaabaab02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.091246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048364/publication.txt
observed 405d88e82c333b1ed480a9959a5fbc47...
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.