OpenTechnical

OT-2026-000023871

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000023871) never changes.

Identity and time

Publication numberOT-2026-000023871 · never reused
Internal UUID01a0ae70-aed6-7985-a52b-6f48ecf249fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023871
StatusPUBLIC

Content hashes

Canonical textdf69f2e4abcc1e7da00b0c7296dd68e1b91c6ac5129786283365b68353999402
Markdown6fd0104d9cae2aaf3dc0e4555f16acd0eb0ddf3a4944baf544cb3365486065cc
PDF
Publication page3027d4f0ae0e006c73a97d154386aae81a81a6feba20e4f2c401a3edc829b496
Manifest234e1e36330f04024c06f7be01aa2e90bdc7693a89ef542c26d7ae6183cea1de

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
Signaturei2gxw76bsmYZ1oll688kxnzEpIs0rHNLydpjmruCO91vpHqY4M7x0EWGblnvt64DmcSQX2iCNmerFFcJCYDdDw==
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

2026-09-17T11:50:28.663542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023871
observed 3027d4f0ae0e006c73a97d154386aae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:28.645263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023871/manifest.json
observed 234e1e36330f04024c06f7be01aa2e90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:28.627680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023871/publication.md
observed 6fd0104d9cae2aaf3dc0e4555f16acd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:28.611104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023871/publication.txt
observed df69f2e4abcc1e7da00b0c7296dd68e1...
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.