OpenTechnical

OT-2026-000033699

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, supply line 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-2026-000033699) never changes.

Identity and time

Publication numberOT-2026-000033699 · never reused
Internal UUID01a0ae75-a390-7ef3-9b51-d33816ebc19f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033699
StatusPUBLIC

Content hashes

Canonical text1fcfac391d965ed81087f12d229b2f6e613b56a8d7c91653940b4b4657b82184
Markdown1adfffad7ed919ea5a6971506d62054be59ccf81bbc5153f8bb7c611098b8010
PDF
Publication page2bb59a56975021ff5f48751361d87f63217f5627aa4c90c735bca29bb7b8eab6
Manifest754b4bd3f6d36d0f4ae175a9a8ab3b6c00153a3c44482defb2250e7d3f15f170

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
SignatureCRzIGO173cEsFWcdMaBv83678NobJUgCuW9ILLzqfDwToUoU1VoWME2EgXnTfA3vVgZrl44EgWzbR1eVqnYZDg==
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

2026-09-17T11:31:41.723403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033699
observed 2bb59a56975021ff5f48751361d87f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:41.703404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033699/manifest.json
observed 754b4bd3f6d36d0f4ae175a9a8ab3b6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:41.684858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033699/publication.md
observed 1adfffad7ed919ea5a6971506d62054b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:41.666391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033699/publication.txt
observed 1fcfac391d965ed81087f12d229b2f6e...
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.