OpenTechnical

OT-2026-000099568

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000099568) never changes.

Identity and time

Publication numberOT-2026-000099568 · never reused
Internal UUID01a0aea2-c975-7b21-91be-ed6dde6c0e8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099568
StatusPUBLIC

Content hashes

Canonical textea9c844af5f3104f3f8f2487287182bf96721dae1bad08a5b0d3ca9559712de3
Markdownfaa91b51bc48d8cfd0c9962ea85ea8361d5240d89cf6bc6c8f3812f79f6c30b8
PDF
Publication pagea6539e056aa74c0d1642db456f8b112d7bd6ab25cd23d348231c49b16add8e3e
Manifest5afdd3560e7429c87697249e1a1f7b4ba217743f3d05cce4f4fb9a363eafc98e

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
Signaturee7b7lG/bCc3gYacQx5XV6rmK1Qb9PCcexzpg6cRd//eUw0vXTiloB8kx4MWLz7fCLM++ekUqUvNL7tBYUldyDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:28.985214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099568
observed a6539e056aa74c0d1642db456f8b112d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:28.967448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099568/manifest.json
observed 5afdd3560e7429c87697249e1a1f7b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:28.947766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099568/publication.md
observed faa91b51bc48d8cfd0c9962ea85ea836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:28.930204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099568/publication.txt
observed ea9c844af5f3104f3f8f2487287182bf...
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.