OpenTechnical

OT-2026-000015576

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000015576) never changes.

Identity and time

Publication numberOT-2026-000015576 · never reused
Internal UUID01a0ae6d-ef4b-74b8-8e9e-ecebd5472990 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015576
StatusPUBLIC

Content hashes

Canonical text10d8b4cfa1f79361729501eef31ff183269facab6373a5aeb032034700fd97d2
Markdownf2e5196d0b368e32915b2f5c4b94ed7b50cc49c0d639941d0fb0779e45ef1cfc
PDF
Publication page7887a0c32fce20ed123200018d4fab55f879dd6647fc8d2c28bdb25fd668b383
Manifestfbd28b851fade9786120b5c27d1bf56cd29f8856157feab4573fed46e3b4d196

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
Signaturer94NyoRxL9DOq1nV+lb+q2P9cIPHen4fyFPQk5fV6aaewdAVhysFwIOg1+UjTrze1FoUJGmwdBfja/8QKVbRBg==
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

2026-09-17T12:06:22.209610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015576
observed 7887a0c32fce20ed123200018d4fab55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.191044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015576/manifest.json
observed fbd28b851fade9786120b5c27d1bf56c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.170759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015576/publication.md
observed f2e5196d0b368e32915b2f5c4b94ed7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.150515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015576/publication.txt
observed 10d8b4cfa1f79361729501eef31ff183...
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.