OpenTechnical

OT-2026-000013208

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off before 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-2026-000013208) never changes.

Identity and time

Publication numberOT-2026-000013208 · never reused
Internal UUID01a0ae6d-6fc8-7c07-9a01-7f45b695caf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013208
StatusPUBLIC

Content hashes

Canonical text142effeb552ecf8865708a0bf695f0b5810a2e3b5996b56f8b3b16db4a60e76a
Markdowna93493deef4c2917e41772bb44e25ed6caf9ad0d114092179b71e4746619ddad
PDF
Publication pageb19574cd020022b8c4e01d355f609774464e6353a9f595696dc35514f7a5a832
Manifest78aa1b871202ea16e4ff3b5e5fbc131b02301932bf9ce1014f75a5b431e8e0e9

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
SignaturewcZ/xeAnrLL3JD9VCw1PJqlev7LGmEmtrBMFE6fTd1J/63w4v9wjnYDkGYNK10dA/FAYZJJwWFQZOp6r6XF2Cw==
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

2026-09-17T12:09:35.733293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013208
observed b19574cd020022b8c4e01d355f609774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.715395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013208/manifest.json
observed 78aa1b871202ea16e4ff3b5e5fbc131b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.694774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013208/publication.md
observed a93493deef4c2917e41772bb44e25ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.673639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013208/publication.txt
observed 142effeb552ecf8865708a0bf695f0b5...
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.