OpenTechnical

OT-2026-000019622

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000019622) never changes.

Identity and time

Publication numberOT-2026-000019622 · never reused
Internal UUID01a0ae6f-1fb3-7495-8b9f-35e35e852b7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019622
StatusPUBLIC

Content hashes

Canonical text7a4c10534d176fb085e1b2563e2c2c4d2bb429f0bd1aaeeedbe72745a8ac42a3
Markdown604553d905ae669f893f233909120563e070953e6abcc80e370ac4549571e792
PDF
Publication page533b641d31b522b34183d543c556dbb4d6bae6f7ed69aef791cd1b8e62306fa0
Manifest1197931df2ac35f0127456f176369720e61fa5c2040f6a95becc3543d48dcdd6

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
SignatureqDWCvcBjPfrNIs9QC354fN7wF7R5Hxf0mC+kXfYgh8Myj57cKgPjM1lA806deTzJqkdpRSYT/9oRyDEOtZfwAQ==
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

2026-09-17T11:57:40.524618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019622
observed 533b641d31b522b34183d543c556dbb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.507817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019622/manifest.json
observed 1197931df2ac35f0127456f176369720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.490107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019622/publication.md
observed 604553d905ae669f893f233909120563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.472005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019622/publication.txt
observed 7a4c10534d176fb085e1b2563e2c2c4d...
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.