OpenTechnical

OT-2026-000042342

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, sustained blow-off after 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-2026-000042342) never changes.

Identity and time

Publication numberOT-2026-000042342 · never reused
Internal UUID01a0ae7a-5d74-76a4-9a33-b809bcdb16a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042342
StatusPUBLIC

Content hashes

Canonical textabeb5f67bb828f982534e8b357d900c600f88bc0ea94f60564c36863f2cf5d54
Markdownc4820ad368f5153b1e43b872283a1a2d099fed2c330ab741583ee8c506682e68
PDF
Publication page9cf76c2ceeef831363e0e09ec6ccc9eecc5196fcf3f678596b5d3397267c71b0
Manifestc82f1ccf022546e0f7d73edad71e4a383268a9b01782d871589bacc71a9a888d

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
SignatureEmTwesWYlMsUf/Rlo894UUQuXSvl10ek8zjSlymb17VSjn55X6zyh4IaQeALyhaF+nu+N2oNs7Lo1y8vYTOWAw==
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

2026-09-17T11:16:03.029601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042342
observed 9cf76c2ceeef831363e0e09ec6ccc9ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.013006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042342/manifest.json
observed c82f1ccf022546e0f7d73edad71e4a38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.995375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042342/publication.md
observed c4820ad368f5153b1e43b872283a1a2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.977340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042342/publication.txt
observed abeb5f67bb828f982534e8b357d900c6...
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.