OpenTechnical

OT-2026-000008473

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000008473) never changes.

Identity and time

Publication numberOT-2026-000008473 · never reused
Internal UUID01a0ae6a-e46a-7185-a8ec-db7e16310f4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008473
StatusPUBLIC

Content hashes

Canonical texta8fb3ac1f0345be1a2648552c1e983e1f35c1dbb597b1523d93348caca29f25d
Markdown84657ff339d80e0f44b0b8c6c3a61514a5d061bb352796ede6711c1d1323207c
PDF
Publication page2bb4d40656ecdc17c084cfee5cebbf93e08b84be84a3efc089bdd6272fc9e67b
Manifeste0701fff4537d789f7ec5dec331c131a39509ddcc4ab6356deb1a72a7d2a1c0d

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
SignatureKv+4rJ1UShgLIbaLlm7rez3GLZY003CzC0ki3YXA4avqFrzXNJtgQWA7dyZ2VuZ7kd/6leRt8XSTtAtIAwbJAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:21.934718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008473
observed 2bb4d40656ecdc17c084cfee5cebbf93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:21.913910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008473/manifest.json
observed e0701fff4537d789f7ec5dec331c131a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:21.895737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008473/publication.md
observed 84657ff339d80e0f44b0b8c6c3a61514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:21.876469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008473/publication.txt
observed a8fb3ac1f0345be1a2648552c1e983e1...
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.