OpenTechnical

OT-2026-000050404

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000050404) never changes.

Identity and time

Publication numberOT-2026-000050404 · never reused
Internal UUID01a0ae82-5c48-7248-b9be-9da0f58411e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050404
StatusPUBLIC

Content hashes

Canonical text16fd558ddb92ff417dcf3c83d31e77d2b30224b2dca25d3fbfbc7db42275c43c
Markdown8b824a3144ad330ab0c1c8a57ba2825dbdc94063f90e37fb739f55897a5283f2
PDF
Publication pagefb6471d3da762aa8e734ea0a6d103d1f48f63e5b461cc65dd1f3983c30d2b612
Manifest79f2f8407f5d6b6dcd6cca9475e2d53a113f048b8172844cfa20ee54ff7c05bc

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
SignatureG4dVG0FNMsNrFymEoi1Q8CfM0RllZNvkeZ8aC6bjefzxWFpDzcBNHpqqreVzXlw5VD6nvmow648TrEPWSsa8Bw==
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

2026-09-17T11:01:26.772147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050404
observed fb6471d3da762aa8e734ea0a6d103d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.754278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050404/manifest.json
observed 79f2f8407f5d6b6dcd6cca9475e2d53a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.737342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050404/publication.md
observed 8b824a3144ad330ab0c1c8a57ba2825d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.720610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050404/publication.txt
observed 16fd558ddb92ff417dcf3c83d31e77d2...
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.