OpenTechnical

OT-2026-000087910

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, sustained 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-2026-000087910) never changes.

Identity and time

Publication numberOT-2026-000087910 · never reused
Internal UUID01a0ae9b-1aa5-708f-a3fd-3754a79c9f57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087910
StatusPUBLIC

Content hashes

Canonical text67dbb93f79965368c4a9f31c6bf0edcc21330212d1cd9844102ee027dced26c9
Markdown077f7b9fe49e620adf55d3662162535476e5ec40c117c40f125c12bd4b959a46
PDF
Publication paged3cb70b04cb365ecb1e00e5a2cbacaf28a932f832c01c3ff71e4c5308e6c311b
Manifest0ef6207bc03b7e285c93eee62a6a1942cda32ec448d3fb9506cb71d6ba087b57

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
SignatureMIWLqvRL4VtOHaXy2xsCWPmqL6ljyn3J7nmqmK0UQT9lrCixPgbcImJptHcB7KITQfFr0UgKMDj2c2DPuu6SBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:49:11.654648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087910
observed d3cb70b04cb365ecb1e00e5a2cbacaf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.636208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087910/manifest.json
observed 0ef6207bc03b7e285c93eee62a6a1942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.619027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087910/publication.md
observed 077f7b9fe49e620adf55d36621625354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.602802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087910/publication.txt
observed 67dbb93f79965368c4a9f31c6bf0edcc...
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.