OpenTechnical

OT-2026-000019460

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000019460) never changes.

Identity and time

Publication numberOT-2026-000019460 · never reused
Internal UUID01a0ae6e-f393-7d93-9515-34f936acfc67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019460
StatusPUBLIC

Content hashes

Canonical text77a6d9290bd944e412cab721132604c4a2d2c0664313751050854e586dd0fa5c
Markdownc62c696be9b7f919b0a4e5a50894dd43832e95c7d2d5b5a6f7cd4d65580e521b
PDF
Publication page5cea137a999d02ff0264a92d5e74798809142322f9d5090c811be6f9ed789f23
Manifestb9a41faac17614996115ba75bd89e0484df9aaa8898655a72ba072c628227874

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
Signaturex8L/S1jlsi1tDnHnzeQ1PXIf1+4093ttvOC++trM83R6HuLlCQbUlC3t9Nkq+BaDueO6OT1E8uii9rLQLs6eAw==
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

2026-09-17T11:58:51.852106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019460
observed 5cea137a999d02ff0264a92d5e747988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:51.832869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019460/manifest.json
observed b9a41faac17614996115ba75bd89e048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:51.813581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019460/publication.md
observed c62c696be9b7f919b0a4e5a50894dd43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:51.775630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019460/publication.txt
observed 77a6d9290bd944e412cab721132604c4...
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.