OpenTechnical

OT-2026-000029417

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-2026-000029417) never changes.

Identity and time

Publication numberOT-2026-000029417 · never reused
Internal UUID01a0ae73-5e20-7781-82d9-d14ab4afd315 · 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-2026-000029417
StatusPUBLIC

Content hashes

Canonical text47151344446619d77eec06a1a4d33368e7bc85701f245d294c31cf357214318d
Markdown976fcfb8be02a5132e0b38a6a3e9df6a3840bce1e9159d908989a7a6940d6928
PDF
Publication page8c6fe49f5c642b39649ccce6b9d720df29941721ce022fb8bca52598fc22f411
Manifestd28ca98603691d2803b3e3e03ab24c17cd147cac1d129afda872a15eb0b534c7

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
SignaturemcYsKaShoCTA65dCmg4v7r583YMP1F7J6ZofbJJZHbPLYkpIf5xTXPX0lVsDgIbFPHqvBpUVnZaKyF+AWlFYBA==
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

2026-09-17T11:39:01.472421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029417
observed 8c6fe49f5c642b39649ccce6b9d720df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.453438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029417/manifest.json
observed d28ca98603691d2803b3e3e03ab24c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.434039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029417/publication.md
observed 976fcfb8be02a5132e0b38a6a3e9df6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.414485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029417/publication.txt
observed 47151344446619d77eec06a1a4d33368...
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.