OpenTechnical

OT-2026-000048917

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000048917) never changes.

Identity and time

Publication numberOT-2026-000048917 · never reused
Internal UUID01a0ae81-134b-740e-95e5-cb39ee09b0f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048917
StatusPUBLIC

Content hashes

Canonical text4fda204fc7a7ae46ebd3cda827e4b7888ebb315f822d668034ae16ea41340a53
Markdown14ab6675b749df8c52e628cda239c52980110d0dea7af7771acf7401475d8ce5
PDF
Publication page11da0de170eb4953efafdaa0642008a996e62bdd94db1dd534df29b5f2b43699
Manifest65438c45614b96db17faafae6d7c211038553a987032711608ff49a48d79cfad

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
Signaturei32ja3FuaoRlQpPq4btRZTVDychoTqiu4EMYp8WvboDihZITRZr4VBjHB2fIzrG33HxpxFQvFPYJUIZWyEkqCQ==
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

2026-09-17T11:03:05.564036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048917
observed 11da0de170eb4953efafdaa0642008a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.545831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048917/manifest.json
observed 65438c45614b96db17faafae6d7c2110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.525012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048917/publication.md
observed 14ab6675b749df8c52e628cda239c529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.505737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048917/publication.txt
observed 4fda204fc7a7ae46ebd3cda827e4b788...
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.