OpenTechnical

OT-2026-000012898

Publication integrity record

Foam pad vacuum gripper, 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-2026-000012898) never changes.

Identity and time

Publication numberOT-2026-000012898 · never reused
Internal UUID01a0ae6d-5563-7a15-af85-f736794cbc53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012898
StatusPUBLIC

Content hashes

Canonical texta1acc8d2a73bf2d8e1fe3f360a9eb108ab6f8225d5bcecd4db59b059e8efed11
Markdown704bc6cf79ed49b80ef40d0be4b706bdb50c9ae2e112eebab76a9be1cf68a075
PDF
Publication pagef9e5adc88865538feb21df235f32f77e5361eec2c1fa8b4ffe0813add2ceb83b
Manifesta4d754cc2e3d873b51009647c007ea5fd814e9598f82c509016863be920daeaa

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
SignatureeJo+3prkhKM3RrkUtSLzsatsWNlYJ5iG3ZF9rt0V4iodiFLBhjBFmgsf9K2eNNheqbQADF+tHD9UJI0lUN+OBw==
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

2026-09-17T12:10:41.287387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012898
observed f9e5adc88865538feb21df235f32f77e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:41.269031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012898/manifest.json
observed a4d754cc2e3d873b51009647c007ea5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:41.250389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012898/publication.md
observed 704bc6cf79ed49b80ef40d0be4b706bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:41.229486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012898/publication.txt
observed a1acc8d2a73bf2d8e1fe3f360a9eb108...
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.