OpenTechnical

OT-2026-000015784

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, pulsed blow-off before set-down

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-2026-000015784) never changes.

Identity and time

Publication numberOT-2026-000015784 · never reused
Internal UUID01a0ae6e-0c4c-7e86-8053-35af941d72cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015784
StatusPUBLIC

Content hashes

Canonical texta616c2d105d585836c81a473abff03a3578d091cac5216ddfd486e362fb3286f
Markdown99f673db7dee14c1597a8603db1b24904d6ac0bb23d7e65bfaf578051828e697
PDF
Publication page46ba4354806a3376f7eecc159a2bb9c577d97d8f1334984c84e6b3926a6db71f
Manifestcf1de6d69a5618b0ec426648deaf1a813b57a72052e446c544c162d923df5be9

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
SignaturesJaPQRG94t9BglQo4ZpuXpi2NMcjUfVCB3tpY/z5f+w6t8l31VXnQl1IiM/HbHn/NG5YcjRq+QmGzvXMdptsCw==
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

2026-09-17T12:05:05.239946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015784
observed 46ba4354806a3376f7eecc159a2bb9c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.221643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015784/manifest.json
observed cf1de6d69a5618b0ec426648deaf1a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.204150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015784/publication.md
observed 99f673db7dee14c1597a8603db1b2490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.186026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015784/publication.txt
observed a616c2d105d585836c81a473abff03a3...
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.