OpenTechnical

OT-2026-000064250

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000064250) never changes.

Identity and time

Publication numberOT-2026-000064250 · never reused
Internal UUID01a0ae8d-a460-715b-9775-eafe27135900 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064250
StatusPUBLIC

Content hashes

Canonical textb55e5069bbeb397b869ec295be4a1f89dd281ffcaec64d806fd7f19e7e06f86d
Markdowne5bf0009841f5f765925c43c248b02a04bafee3bceaec42bef668be2a40adc2d
PDF
Publication paged53e8dfe6ea8462c9f9b87168a8d3cd81935b61a1a9ed05e91a63530a0c38155
Manifest5df29cf5aa9c6c3217e727adbe170d42230029eae4f5d4c70e18ec1e579e4fbd

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
SignatureM3mgK43HCJKhJ+WA25ooBInKFfN556GLhprJOT1g3iEZkQZWIbmpgQb+jKpHOl19RoXdqjomTtcIJzPBwaXHBA==
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

2026-09-17T10:36:22.854877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064250
observed d53e8dfe6ea8462c9f9b87168a8d3cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.836917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064250/manifest.json
observed 5df29cf5aa9c6c3217e727adbe170d42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.819504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064250/publication.md
observed e5bf0009841f5f765925c43c248b02a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.802566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064250/publication.txt
observed b55e5069bbeb397b869ec295be4a1f89...
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.