OpenTechnical

OT-2026-000012343

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, 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-2026-000012343) never changes.

Identity and time

Publication numberOT-2026-000012343 · never reused
Internal UUID01a0ae6d-39f6-7685-9505-934c8913bb79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012343
StatusPUBLIC

Content hashes

Canonical text9d412fcee411371286105300d17d4a5057e549c95c4fd73e2bd4319377b5ea9f
Markdown621d8bc90aeed89f054bc18e2ea7fa7a007fce30259ad04789ddb3717d95cabb
PDF
Publication pageaf6a8036d258c8eeabe35a367bc83c165511f29232e81e814415dc78c03cb583
Manifesta00792771fd16cab533ed3417192fa34df788982b005a5d612c523a669d5b26e

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
Signatureqvy8edZboet7wCWH7vv+I4kq7l955DsAw7qk9Fb6JWjGR5eYj+rbJfnC6fnXc3FNlvwsEyHVLbd3xOp0ZXPxDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:11:49.393395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012343
observed af6a8036d258c8eeabe35a367bc83c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.375546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012343/manifest.json
observed a00792771fd16cab533ed3417192fa34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.356442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012343/publication.md
observed 621d8bc90aeed89f054bc18e2ea7fa7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.338775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012343/publication.txt
observed 9d412fcee411371286105300d17d4a50...
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.