OpenTechnical

OT-2026-000013290

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single 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-2026-000013290) never changes.

Identity and time

Publication numberOT-2026-000013290 · never reused
Internal UUID01a0ae6d-6fc9-76b1-b718-612784a3c2f0 · 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-2026-000013290
StatusPUBLIC

Content hashes

Canonical text15a7b98f0a84b0849ef5f31998afc590d57444fc860b573abf2cad0121049f62
Markdown5af465be45f726f065141ed9400bb78a0016fcbbdf03b094f7429229d755b203
PDF
Publication page322dc1db9a5299ff3742800268ff7b077bba02c957c6dd027dbc034a22b3d604
Manifest5794a34cd735db594fa5991c42d82d89b13b8f7a68261abea7b2565a0f29c2a0

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
SignatureqGTFqHBjmQZyBL3y2ibXyZ4tCnaDLVoJ/jIYAPXnIT5JReH6i10od30PKOjFcKKw/oa8zt9uo5YIa85dRBtqCg==
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

2026-09-17T12:09:42.775791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013290
observed 322dc1db9a5299ff3742800268ff7b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.756822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013290/manifest.json
observed 5794a34cd735db594fa5991c42d82d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.738088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013290/publication.md
observed 5af465be45f726f065141ed9400bb78a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.718383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013290/publication.txt
observed 15a7b98f0a84b0849ef5f31998afc590...
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.