OpenTechnical

OT-2026-000013923

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000013923) never changes.

Identity and time

Publication numberOT-2026-000013923 · never reused
Internal UUID01a0ae6d-8dea-7b88-908a-be52ec2c00cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013923
StatusPUBLIC

Content hashes

Canonical textcc58be40be6f01dd95d839874d7250649d8b80f2aa00e3e6d04ca0eaabde5eef
Markdown6a507be06857e4f10e329c70cb038f1008c4f8afcfba2c6f734212a2c1fe22eb
PDF
Publication page317db97f278cec1fc02d47e495f171dd9d8a93a96b6447d8220aac8e16d735af
Manifest0dc7f9e5dbba4bb90912214c3a8837e79d78b9150d462507aa7e403ea5012e81

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
SignaturenNXxBji1ov2ytI3O6ybjdtKY2UA7nqToSSTFdI6LQKKpcqoabar51/BZQ5kzmwdYmGjDdvV9hMvk8LLppBTdBA==
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

2026-09-17T12:09:03.449796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013923
observed 317db97f278cec1fc02d47e495f171dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:03.431762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013923/manifest.json
observed 0dc7f9e5dbba4bb90912214c3a8837e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:03.413811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013923/publication.md
observed 6a507be06857e4f10e329c70cb038f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:03.395597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013923/publication.txt
observed cc58be40be6f01dd95d839874d725064...
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.