OpenTechnical

OT-2026-000029429

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000029429) never changes.

Identity and time

Publication numberOT-2026-000029429 · never reused
Internal UUID01a0ae73-5e20-7dbf-b01a-38a0bf5909e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029429
StatusPUBLIC

Content hashes

Canonical text995ffa61718460866059b95fd0fcc5c692a69def50ded89e353afed0360b8642
Markdown40eb28d74a5a7fb804783bbdf5ab96d3509211edc609aae7641742e86e9e41b1
PDF
Publication pagefa3e3eecab9471df9cca1b52dfa2b54282474e38f5b966e631e6539dd068cf59
Manifest0e0641659fedc287623176d5808475cc90e413897bd3ad61f3052bc5aa7a242e

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
SignatureldtKLCW8axnNv623fb4Sm/Z5XXSIxdnMidLECsXg2DQmRHEnugHVIdZafGYg0wObOvRbWaTvsQoWgDC1cKh0Dw==
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

2026-09-17T11:39:02.424940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029429
observed fa3e3eecab9471df9cca1b52dfa2b542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.407635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029429/manifest.json
observed 0e0641659fedc287623176d5808475cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.391583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029429/publication.md
observed 40eb28d74a5a7fb804783bbdf5ab96d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.374191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029429/publication.txt
observed 995ffa61718460866059b95fd0fcc5c6...
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.