OpenTechnical

OT-2026-000013092

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000013092) never changes.

Identity and time

Publication numberOT-2026-000013092 · never reused
Internal UUID01a0ae6d-5565-7649-90b5-9e99730b35ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013092
StatusPUBLIC

Content hashes

Canonical textba8169f0cf0f7a542fd4c914f3c8a4e2a0f31bd87d6fc5add4416da73a12d632
Markdownbbf29db79b022f64364f807a3f2f9f32e130655206201ae290f865b181039375
PDF
Publication page1075c7e46d446b3fd0b2ac8de6eeb913cfb7d622d65df061d97d6fba5bdfd1ab
Manifest0915117dcaf05ed3210adfb687524d400d6d00c36e52d3781a8f6784ade36f7f

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
SignatureIZJo9pWOghzB+vm1tO+rP2IT6IZaNsj6p8n6Ay6tvpTYcjh268S9IpNZgGaHOkaeeuMQAd5PTUFbv5XxgygiCw==
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

2026-09-17T12:10:56.449205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013092
observed 1075c7e46d446b3fd0b2ac8de6eeb913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.429824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013092/manifest.json
observed 0915117dcaf05ed3210adfb687524d40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.409961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013092/publication.md
observed bbf29db79b022f64364f807a3f2f9f32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.391193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013092/publication.txt
observed ba8169f0cf0f7a542fd4c914f3c8a4e2...
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.