OpenTechnical

OT-2026-000087387

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000087387) never changes.

Identity and time

Publication numberOT-2026-000087387 · never reused
Internal UUID01a0ae9a-cd4f-7866-ba20-88df34b95a76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087387
StatusPUBLIC

Content hashes

Canonical textee8ad3bec144db0317a2a323d6ee398d37994d2cd4b4fa3da8a4f07eb9e2507e
Markdownf4c1b370b8782d935fa0d9d0c27728f55c53c072e5d84529c90f95ad3acedbbe
PDF
Publication pagee9d79c3de22c99ee9d5caaff1376741710c7c90bfc7df262501e28abd861cfd6
Manifest7f9e9c360d1c6364851de474577583ba7e825a0a6bc645a0af2b241009752731

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
Signaturejsl4dpkWcb16JbMdNr1T4kvWk3A3puT8As2gDSsTFBYPhZ6bP3D8sn4E8p+iqFrzvqJZ0pLKRNEZBKC/JBmmBw==
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

2026-09-17T09:50:34.246576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087387
observed e9d79c3de22c99ee9d5caaff13767417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:34.227161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087387/manifest.json
observed 7f9e9c360d1c6364851de474577583ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:34.210169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087387/publication.md
observed f4c1b370b8782d935fa0d9d0c27728f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:34.192566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087387/publication.txt
observed ee8ad3bec144db0317a2a323d6ee398d...
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.