OpenTechnical

OT-2026-000032979

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000032979) never changes.

Identity and time

Publication numberOT-2026-000032979 · never reused
Internal UUID01a0ae75-4843-78fd-bc06-2138c77502c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032979
StatusPUBLIC

Content hashes

Canonical text0f2abc5723a3db822149f8aa8fee5281e592e8c376e1fd49576d18fcd3587f3e
Markdown1c8233b3831ab7048ab3b98e81f00231f95a728dfa1b2d071d2305ee885b04bf
PDF
Publication pagefdfe113779f478b3a7671f3b978414536f54872657723b828f0b06d829459ca5
Manifestf0cc6ff25ab6954fdd912f75eeb67b2e2102aed8c824376209a52598c8c57891

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
SignatureSz4OgLsCijtov2WwCQmYCvA9GvU0rpF8yL3+ajAcd9vAJZv3q+S7kmrZ5TabZ01LEDEWqdLzLmj0/zwL+jOjAQ==
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

2026-09-17T11:32:35.454581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032979
observed fdfe113779f478b3a7671f3b97841453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.435431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032979/manifest.json
observed f0cc6ff25ab6954fdd912f75eeb67b2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.418824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032979/publication.md
observed 1c8233b3831ab7048ab3b98e81f00231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.401417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032979/publication.txt
observed 0f2abc5723a3db822149f8aa8fee5281...
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.