OpenTechnical

OT-2026-000100690

Publication integrity record

Two cup vacuum gripper, two 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-2026-000100690) never changes.

Identity and time

Publication numberOT-2026-000100690 · never reused
Internal UUID01a0aea3-66f3-77a9-85db-fdad0c6d6a59 · 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-2026-000100690
StatusPUBLIC

Content hashes

Canonical text292cbee2ab51dbda3e3e6abcc566fdc0a82cb5c47b542d638211620c347aacf4
Markdown6cf3c47034942690470b7b0e36bc3946c794135830177d1b68e94acffe29249b
PDF
Publication page3a7b351408e9c3f48808df373752214514abdf7312750de7ba8bfdadac228c02
Manifestf3a30f4b0f970e03678ed8a39632d40dfdcf40187c6781462fd8054c1fc70a54

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
SignatureWKeu9LA/vZhs1q311G2E/pVo0j5gmyWY9QZa9mJl9tl2gyOxfyMQPpW/jDzrObCrMOUqZ44ynxAari4BcrwHDw==
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

2026-09-17T09:27:30.363241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100690
observed 3a7b351408e9c3f48808df3737522145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.345266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100690/manifest.json
observed f3a30f4b0f970e03678ed8a39632d40d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.327103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100690/publication.md
observed 6cf3c47034942690470b7b0e36bc3946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.305529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100690/publication.txt
observed 292cbee2ab51dbda3e3e6abcc566fdc0...
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.