OpenTechnical

OT-2026-000019320

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000019320) never changes.

Identity and time

Publication numberOT-2026-000019320 · never reused
Internal UUID01a0ae6e-f392-7771-ba67-dfdadaf2d8f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019320
StatusPUBLIC

Content hashes

Canonical text2616f0f0144acbcf814d44e1ea47153626aa555a91c6cd827c9554fd1d207c78
Markdownb769af05a438bad80c09c62ddf07d90f473e1597560253667c32dee8051b1ad0
PDF
Publication pagefe627277a6f3e0f4a8d20538b47e0056eb7191be6e2db132d2e00595fa1d63d3
Manifestc0a7035cb4dd43e1aa0de32303d8ee0aaa39086929253840fcc9a2af1580de33

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
Signature9IKqXiwPFyJBjRX1D9D8LQcj7fQ2SuDw5u5TtOz/jc8ycpAXqV73cEvwGOd2AtnUKVLBSdDk4DuyNFqWLyPKDQ==
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

2026-09-17T11:58:41.095576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019320
observed fe627277a6f3e0f4a8d20538b47e0056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:41.076641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019320/manifest.json
observed c0a7035cb4dd43e1aa0de32303d8ee0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:41.034307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019320/publication.md
observed b769af05a438bad80c09c62ddf07d90f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:40.989981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019320/publication.txt
observed 2616f0f0144acbcf814d44e1ea471536...
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.