OpenTechnical

OT-2026-000069201

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069201) never changes.

Identity and time

Publication numberOT-2026-000069201 · never reused
Internal UUID01a0ae90-6dcf-702a-bd36-1e5ad7cb5e80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069201
StatusPUBLIC

Content hashes

Canonical textc40e50b4162240c0fd335a251750d2561da9ff46866bd744833b61684d350bda
Markdown4eb20702cc80c0e2048b4a54a764235c968e4718c363e5231141c2cdb0bdb9c7
PDF
Publication pageab89e6e549f9205133a9ccb3e37369c3ff81b53bfc2652a6b90f72d4cb07b9dd
Manifest6bd6c930cd495f7065d6d1356a926609898a6ec04ca6a4765310bda3d6972376

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
Signatures5i5twUAbjfju0IgIVUl45Hut3KO3aAH5ZtvnyKIJMsc2zTmxW/VgTUD3ZGgK2NZ+ECiiu8hX8YlQxqmdCavAg==
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

2026-09-17T10:29:12.535897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069201
observed ab89e6e549f9205133a9ccb3e37369c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.504069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069201/manifest.json
observed 6bd6c930cd495f7065d6d1356a926609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.404889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069201/publication.md
observed 4eb20702cc80c0e2048b4a54a764235c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.356907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069201/publication.txt
observed c40e50b4162240c0fd335a251750d256...
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.