OpenTechnical

OT-2026-000038499

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000038499) never changes.

Identity and time

Publication numberOT-2026-000038499 · never reused
Internal UUID01a0ae78-2d53-7c16-b147-b87e7f37c757 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038499
StatusPUBLIC

Content hashes

Canonical text7334afa51b8da3bd9927c844a38524a3b93c53bf92b25508ce0ce9d57032d94f
Markdown4349fca773b7c1bccb1cc376c1175c4ceb2fcfe3d7ea5c6d09c81797168244bb
PDF
Publication page4b70e8b807381da4fdcb87226985e9c3e30226ca5f4a86d13720cf01e651ef40
Manifest8c7261ed7505b60ccb5ae4de89710114839a6dcba736dd827380b9494aae30b3

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
Signature5pa5AX6T9sQRM0hE5AVSFyKZcNL0kFmvRVtsuKt+tKvzWlt4lTc6TaqqE2oa69dbe07HOtY7EurmfNFKKkmOAw==
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

2026-09-17T11:22:44.749274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038499
observed 4b70e8b807381da4fdcb87226985e9c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:44.727844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038499/manifest.json
observed 8c7261ed7505b60ccb5ae4de89710114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:44.706501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038499/publication.md
observed 4349fca773b7c1bccb1cc376c1175c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:44.687609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038499/publication.txt
observed 7334afa51b8da3bd9927c844a38524a3...
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.