OpenTechnical

OT-2026-000050256

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000050256) never changes.

Identity and time

Publication numberOT-2026-000050256 · never reused
Internal UUID01a0ae82-5c46-79e6-b532-6b5c4dda974c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050256
StatusPUBLIC

Content hashes

Canonical textdf353b525c19e837cabd69583cd3ce14a064c4ee1e277c1c25dddbc6a3606917
Markdown11104436069625d5149000c7e504abdbbc037c5474b8c584edbb450394ad1ccb
PDF
Publication pagecd05c2a58e17dcc60b438bc6a1d73df6226dbf04b0e8aef22c262bca2fd7464e
Manifestdfa1e6e4ce0d3249ce91e0746aa222f9fa2efe9d29a41637c4caf9180bba0737

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
SignatureZxm71BokPtnUhJiBGcUp5b+7H00mAvN78eFF9WtoZBZRJo6fhR/DXOmwMvCXR58sPstABoMvaRacE/Lh0RlhCg==
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

2026-09-17T11:01:15.363025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050256
observed cd05c2a58e17dcc60b438bc6a1d73df6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:15.347759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050256/manifest.json
observed dfa1e6e4ce0d3249ce91e0746aa222f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:15.333011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050256/publication.md
observed 11104436069625d5149000c7e504abdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:15.316575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050256/publication.txt
observed df353b525c19e837cabd69583cd3ce14...
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.