OpenTechnical

OT-2026-000017591

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000017591) never changes.

Identity and time

Publication numberOT-2026-000017591 · never reused
Internal UUID01a0ae6e-76ca-7a1a-993c-2483306bb58b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017591
StatusPUBLIC

Content hashes

Canonical text75f5590b8f8a8aa124facc1b01d2553fc65095de2fe006b9f1c7c0a9cfbb25dd
Markdown82ad141f45e194c8e8319dfca42e7c1ac1adf7d7560626bc85045ed8ad7677bc
PDF
Publication page0dbddb569204e0ebdf574d6e13485b6826cad0f1ffb45263539d4d2975984e99
Manifest07de080e184ff9f1056b3598335c7a27c1886840d6ab222df0b230e30c7d59ad

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
SignatureN58faz5SBhO6K63hJXcqWUBfGCu2N5wDufaIhlHTasJG2bqJsYuiHosjVc+oFOL5E/jxAEWcfWvqY95rtD0ZDQ==
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

2026-09-17T12:02:46.221846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017591
observed 0dbddb569204e0ebdf574d6e13485b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:46.203666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017591/manifest.json
observed 07de080e184ff9f1056b3598335c7a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:46.183941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017591/publication.md
observed 82ad141f45e194c8e8319dfca42e7c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:46.165910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017591/publication.txt
observed 75f5590b8f8a8aa124facc1b01d2553f...
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.