OpenTechnical

OT-2026-000003968

Publication integrity record

Vacuum cup gripper, two zone face, ejector fed, contact triggered on the face

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-2026-000003968) never changes.

Identity and time

Publication numberOT-2026-000003968 · never reused
Internal UUID01a0a90b-9dc9-7059-9e50-50aee07683e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:25.931757Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003968
StatusPUBLIC

Content hashes

Canonical text6dfc4ef671786b16682ee8862f04d74868897f208a286881ff25940d498fd558
Markdown7ecf0cc07173c129a3f68fcb035dacded8409d65e3a9d396a5b756dd31f27888
PDF
Publication page0883105d8ac7fda381a6277b35dd39d0c48f8ae2dbeeaeea348b40b61452fc47
Manifest65f82f620ea55d723e25e6b7bd68cd014c2f00bbfc64366e8639c734e3cb5d34

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
Signatures8cQnkP00O91nrdF5/ttdaxmroGe9trGOLHYVKlZXpMVYsb86oe0Cjbar6gqLGPtDHt8soIvZIlchxGIkeJwDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:09.243421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003968
observed 0883105d8ac7fda381a6277b35dd39d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.230297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003968/manifest.json
observed 65f82f620ea55d723e25e6b7bd68cd01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.218000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003968/publication.md
observed 7ecf0cc07173c129a3f68fcb035dacde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.203442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003968/publication.txt
observed 6dfc4ef671786b16682ee8862f04d748...
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.