OpenTechnical

OT-2026-000064224

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000064224) never changes.

Identity and time

Publication numberOT-2026-000064224 · never reused
Internal UUID01a0ae8d-a460-7439-8190-02b855976c33 · 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-2026-000064224
StatusPUBLIC

Content hashes

Canonical texte218df1aaa1346428d7e315346d4d2d70404dc0745675b4ac4222ebca9c45804
Markdowne907755c8c58781a3e8a34882e4f98002e862f2bf0758fd039213d6e6cbc9f43
PDF
Publication page553baf4cdb402b4b29d7cd19f7c504266597de3289e8549635b42ea03bd5ba16
Manifest3e0b8ca45779ea7ebea0bf9a20a368251181c526321dbf50e45bddba79187982

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
Signatureppr696VLJkYSy7D/66oNlzYhFX8m/h3Qh6ZzXB8XJriXcUxn6MwM24hsvUTmmzlkGN/sm7igGNtaJqV8tCoaDA==
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

2026-09-17T10:36:20.812200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064224
observed 553baf4cdb402b4b29d7cd19f7c50426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:20.793700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064224/manifest.json
observed 3e0b8ca45779ea7ebea0bf9a20a36825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:20.777478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064224/publication.md
observed e907755c8c58781a3e8a34882e4f9800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:20.760336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064224/publication.txt
observed e218df1aaa1346428d7e315346d4d2d7...
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.