OpenTechnical

OT-2026-000090105

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000090105) never changes.

Identity and time

Publication numberOT-2026-000090105 · never reused
Internal UUID01a0ae9c-428e-7e07-990b-ddb076e1181c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090105
StatusPUBLIC

Content hashes

Canonical text86d65599f2b90e868c2b029dbcb099773a7dff02408e0f091181b15f49506ed0
Markdowna763e589dcb8a1345dc73b0e762ae0f8ad9ffd447c1de72e71a1536b733f5c77
PDF
Publication page4c9066f9b5b6e246b989cc532d6dbe726509f4d364cb984580fff98299f1cff3
Manifestc7af17cf86d0f8087f33c9eae9e28c5117e85d6fd1a9e6c3ca0b11ed18553f87

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
SignatureClbn8pulfQ/uQeqxWJHUd3kYzQ622f4ABhR7AkEz6ztPtTUmr/KOAdPgROX7WxwHAZO6DjZtQsDJ1K9riNNFAw==
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

2026-09-17T09:45:31.714885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090105
observed 4c9066f9b5b6e246b989cc532d6dbe72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:31.695662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090105/manifest.json
observed c7af17cf86d0f8087f33c9eae9e28c51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:31.678923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090105/publication.md
observed a763e589dcb8a1345dc73b0e762ae0f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:31.659966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090105/publication.txt
observed 86d65599f2b90e868c2b029dbcb09977...
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.