OpenTechnical

OT-2026-000017353

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000017353) never changes.

Identity and time

Publication numberOT-2026-000017353 · never reused
Internal UUID01a0ae6e-76c9-7901-9856-ac910908b372 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017353
StatusPUBLIC

Content hashes

Canonical text4ab31a3c689d08439774c041f64fd38637d9db2429bfb716ae760dfd4fa92c4b
Markdown3ff55ae7cc8b11f93b1f8dae2b388cc095c1537c82293cca3cf763a0a0968be9
PDF
Publication page3aa32ef3bcfb16dfa1ff5fa9e61eec9686d7271147eb9ee7cb7267a2e890545e
Manifestdfe18088970a8ff7dca7216ef3ec70ce3901c7b35b9822078c1b9f86b28f219a

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
Signaturee8f1kpso8OLG/MIJHqWUtKI3UwdXHKxW+DbegdMyI8zfV5ZiQgWBZ4X+mC693aoaXyoF0yHsQBPb1Gms7l5AAA==
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

2026-09-17T12:02:28.052119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017353
observed 3aa32ef3bcfb16dfa1ff5fa9e61eec96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:28.033187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017353/manifest.json
observed dfe18088970a8ff7dca7216ef3ec70ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:28.014972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017353/publication.md
observed 3ff55ae7cc8b11f93b1f8dae2b388cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.997545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017353/publication.txt
observed 4ab31a3c689d08439774c041f64fd386...
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.