OpenTechnical

OT-2026-000091757

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000091757) never changes.

Identity and time

Publication numberOT-2026-000091757 · never reused
Internal UUID01a0ae9d-43b9-79f6-abdc-ad94fd38d4cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091757
StatusPUBLIC

Content hashes

Canonical textfa5ba4869fa771005be8f93209d8c2506bd50e44bd4dd53e31454ceba33a1ee7
Markdownd9f4419e752d30fed5b86f67b376bac167b30610a8e2b9e4fd06e0ea059d492f
PDF
Publication pagef4b69293091df6bc00df09b55d9d5263711deb2aab79e55a9251c89936099264
Manifeste5f3d431d685d35b2d3df461eb4c02515f3d9116f60eedc4a5ed40cc63c28292

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
SignaturedbZoyEC0FuOyC6wQQpHGx0DdaQnds5ZoEnnf9T4RUCJG1i74r7wqSPPyj4HxqM8H7xA0TjAa+oDuT3dLbIj3CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:39.000367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091757
observed f4b69293091df6bc00df09b55d9d5263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.983759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091757/manifest.json
observed e5f3d431d685d35b2d3df461eb4c0251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.966366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091757/publication.md
observed d9f4419e752d30fed5b86f67b376bac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.948691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091757/publication.txt
observed fa5ba4869fa771005be8f93209d8c250...
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.