OpenTechnical

OT-2026-000064122

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000064122) never changes.

Identity and time

Publication numberOT-2026-000064122 · never reused
Internal UUID01a0ae8d-a45f-71dd-ace8-591e18caeccd · 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-2026-000064122
StatusPUBLIC

Content hashes

Canonical text6590cace475c26642f190274cd41292c1cc8cd4c7a622e8080d81447e29108b3
Markdown65c5be2f8d3bb61ba3f17a52a8bd9789c5c8c33aca354b8080abe84e284f0afc
PDF
Publication page2180a72a78237f95b9a0ea7d6f35dcd405e5f04b40a15cf59fd40379cfffacee
Manifest15e035e019b73bd588d1b1133b1d37d15d4019eead3e62ba298fcb304ec504fa

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
Signatureu1sG1w5pyC1BCAzRSy8eEGWrLNWX3Xnq5HSwF6Vq9nlxiImrrLX8xRMiLMetl0xNTH8uspJguTLPQykmvmsAAg==
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

2026-09-17T10:36:07.190587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064122
observed 2180a72a78237f95b9a0ea7d6f35dcd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.174003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064122/manifest.json
observed 15e035e019b73bd588d1b1133b1d37d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.155064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064122/publication.md
observed 65c5be2f8d3bb61ba3f17a52a8bd9789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.134672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064122/publication.txt
observed 6590cace475c26642f190274cd41292c...
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.