OpenTechnical

OT-2026-000100733

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100733) never changes.

Identity and time

Publication numberOT-2026-000100733 · never reused
Internal UUID01a0aea3-66f4-7293-8952-944cdc519e79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100733
StatusPUBLIC

Content hashes

Canonical text63c1567864e5af7ba7c867b04f4e3e649c6c3eed2b9d943a3bdc87f2afb56873
Markdown507416a73fb8e3c26351411207676d567d07307b8f6bfc1ede7b595d38ba4a14
PDF
Publication pagea35540ab826b21c82acaee38d08ab6df1e7279442fa9713397224a879cc3148f
Manifestb7456d777a932cd64764c7cc0e002dec3aad79d22c3bda6269fc2a5c6fecfe3a

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
SignatureuYPxxI1fVlwrINTEdCPUUBAF1b/LV5Ub+mpPmkeuyE4J0xIYFtrCbAiKKEh+/pP+ldxG2wDjA32lJmpFljdeBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:33.861720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100733
observed a35540ab826b21c82acaee38d08ab6df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.844230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100733/manifest.json
observed b7456d777a932cd64764c7cc0e002dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.826051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100733/publication.md
observed 507416a73fb8e3c26351411207676d56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.807892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100733/publication.txt
observed 63c1567864e5af7ba7c867b04f4e3e64...
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.