OpenTechnical

OT-2026-000102215

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pulsed blow-off 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-2026-000102215) never changes.

Identity and time

Publication numberOT-2026-000102215 · never reused
Internal UUID01a0aea4-50f3-7d0f-852e-92aa7f1b93f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102215
StatusPUBLIC

Content hashes

Canonical text09eac3208305231b5acee265b06cdcd3c02270a5374e2c8a2155f0f5b84e991a
Markdown70a8b8403d442b96355ea8460503306ae707f78f1c59cd823d929a163cdb5f6f
PDF
Publication page0808c0a70b7e4a2642eb10880458ce803d983b9e9d1e891c656231d727344c77
Manifestad328fc1fbe0ed95e984f9d2b2fd9a77ecf465a278b59ab8a6bbd453c6fa659b

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
Signatureg1OmjiKF5qNxsAkORAu9nC33vA0MQwNW+IN4q1KozHITZsXVSXM7BtxV6hjXd/h8fnw/SahOrWkM8f32HndWCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:23.486712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102215
observed 0808c0a70b7e4a2642eb10880458ce80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.469190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102215/manifest.json
observed ad328fc1fbe0ed95e984f9d2b2fd9a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.453069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102215/publication.md
observed 70a8b8403d442b96355ea8460503306a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.435504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102215/publication.txt
observed 09eac3208305231b5acee265b06cdcd3...
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.