OpenTechnical

OT-2026-000014697

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000014697) never changes.

Identity and time

Publication numberOT-2026-000014697 · never reused
Internal UUID01a0ae6d-d093-7399-a419-6e5214c54f8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014697
StatusPUBLIC

Content hashes

Canonical text3b17a1671e54c9b5c127c19366510343e0f608e60c43753ca9797d50891d828f
Markdown2d7fcad5fb2e3f108ead8257b07c89e2be8ffff14156272f9f6bfd59e7ad2c29
PDF
Publication page058db6b116cc9796c48c81197428d62d185025efd22e914bdbcf1eafff827e26
Manifest6c94e8cb30535888f9b3f422ea76064e31260a5032ab8ef3013990ac781a15b3

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
SignaturekDUKfgRxQMhKaW67BUT5DR8bqzB6eE/NLjPhLVXpZye0ylnyzpkbYGBZZ174NCh66GtK+aKTXe9BUmrQo3CFCQ==
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

2026-09-17T12:06:33.370174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014697
observed 058db6b116cc9796c48c81197428d62d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:33.351969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014697/manifest.json
observed 6c94e8cb30535888f9b3f422ea76064e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:33.333343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014697/publication.md
observed 2d7fcad5fb2e3f108ead8257b07c89e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:33.315291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014697/publication.txt
observed 3b17a1671e54c9b5c127c19366510343...
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.