OpenTechnical

OT-2026-000014680

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000014680) never changes.

Identity and time

Publication numberOT-2026-000014680 · never reused
Internal UUID01a0ae6d-d093-7fc0-8939-da21bbbe7c45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014680
StatusPUBLIC

Content hashes

Canonical textdd9c06423b7efa83d7bb7b6dca0c98574ee4002e1b3a0ca11e1b696a50c85699
Markdown3d0c00e0c5451fe32f8eab0e123d35f397071067fe111b5731e0e2c8c94d1565
PDF
Publication page6daa8e575e268c432441d6a8370a4f4531e396c1e444b69d467b128749710622
Manifest1f40f05638118f77ee26123d8f394902d686e429d7859c30a72147c6fc3f7ec7

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
SignaturetquCVsk7QOacgEYj3CCRDK28sCETrz1sdKEeDIK5ufh7xcgDSSIdCo5vZRJcNfpgEuD5q7MBJogqvyy/WKzkCw==
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

2026-09-17T12:06:31.941672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014680
observed 6daa8e575e268c432441d6a8370a4f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:31.923276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014680/manifest.json
observed 1f40f05638118f77ee26123d8f394902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:31.904580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014680/publication.md
observed 3d0c00e0c5451fe32f8eab0e123d35f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:31.884075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014680/publication.txt
observed dd9c06423b7efa83d7bb7b6dca0c9857...
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.