OpenTechnical

OT-2026-000018555

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000018555) never changes.

Identity and time

Publication numberOT-2026-000018555 · never reused
Internal UUID01a0ae6e-b48a-715f-9ab5-d63bc2b222bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018555
StatusPUBLIC

Content hashes

Canonical texte9c7248b3e74fb9148248113231bd7615cbe17e27d30a81e2363e1af6c6648d4
Markdownca3d439fd2c1effed9bb904c52dbb789554d6117a52802c847ff4558de1bf558
PDF
Publication pagef9d2b6233ff91da5a91282901969cd9023463716ef5c40eb25bc063e879d3474
Manifest2ce1c6d952277512e67d165521a37d46d09dfe353a657d2ee291e6621ac000f3

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
SignatureFMpit2vNrFqT/X/8uVm2KzZauEv43fcmTocqwjWLhzt76uYsgd4oKnIFszMvTdu3MnFro3uHnp6CMcuV7pXpDw==
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

2026-09-17T12:01:20.070374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018555
observed f9d2b6233ff91da5a91282901969cd90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:20.053638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018555/manifest.json
observed 2ce1c6d952277512e67d165521a37d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:20.036897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018555/publication.md
observed ca3d439fd2c1effed9bb904c52dbb789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:20.019918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018555/publication.txt
observed e9c7248b3e74fb9148248113231bd761...
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.