OpenTechnical

OT-2026-000091106

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000091106) never changes.

Identity and time

Publication numberOT-2026-000091106 · never reused
Internal UUID01a0ae9c-f16b-7da7-9d6e-fbc75d45c6dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091106
StatusPUBLIC

Content hashes

Canonical text70d5655678f0aca54fdbccb0ed9bbb11b2188b0e2980688e98b4cebdf1280612
Markdown4179f43026df965236d09ddcbbe3aa034d2a84d32133affef2d55df65b17cffa
PDF
Publication page8fcda9d246a4093375c39f006a1a7fc7b0f9d15dc1d078a2587bb21c9c0e42eb
Manifest7be9e43ce6f2e44eab77afbb61a140ecd6b62b6227ac5960602fe0854e02e981

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
SignatureuuqVXRY6lJIRJb074nUpQ3zp9IqQLN4Ohbhwce4pLMYVlyZy8gMJQZBAa9VUq/Z2BMGTkDvhS5PhxqGK/9A2CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:15.406181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091106
observed 8fcda9d246a4093375c39f006a1a7fc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:15.388929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091106/manifest.json
observed 7be9e43ce6f2e44eab77afbb61a140ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:15.371793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091106/publication.md
observed 4179f43026df965236d09ddcbbe3aa03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:15.355092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091106/publication.txt
observed 70d5655678f0aca54fdbccb0ed9bbb11...
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.