OpenTechnical

OT-2026-000072911

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072911) never changes.

Identity and time

Publication numberOT-2026-000072911 · never reused
Internal UUID01a0ae92-c814-79c8-a6e9-c4de5f9a5a33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072911
StatusPUBLIC

Content hashes

Canonical text5867ec081e126babdf3bd98babeed6d9421b2139d04149179f300b67b3c8ee1f
Markdownf588b7921a2ebaec2300b20c49e30cf0c9317859443f5dad1d8dc32dbd7a9291
PDF
Publication page3392cbdc6cd5008cb7d506375eb6c361fce2d5dc5c2f23ff5b67f440a6f838a3
Manifest1a68348b1532191555d224a336817022cc3db4a6423e2e390bdd76971f1bba85

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
SignatureZLdHTUuWfzQ4vEwwXl7Fh/FzyR98eotdY67q26jZKway5Nw5d9B1STab5hSJQoSfro6YuExFb3+/oAsJhijNAw==
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

2026-09-17T10:21:49.327184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072911
observed 3392cbdc6cd5008cb7d506375eb6c361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.309894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072911/manifest.json
observed 1a68348b1532191555d224a336817022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.292059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072911/publication.md
observed f588b7921a2ebaec2300b20c49e30cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.272567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072911/publication.txt
observed 5867ec081e126babdf3bd98babeed6d9...
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.