OpenTechnical

OT-2026-000029317

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000029317) never changes.

Identity and time

Publication numberOT-2026-000029317 · never reused
Internal UUID01a0ae73-2aa1-749a-8a2e-0986ff7085f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029317
StatusPUBLIC

Content hashes

Canonical textc6dfffae356005f31e644676a0c0ac40824b03fca293705037eeb2b0f3b001c2
Markdown409f1106d76b596525326038117020b7cb6af7e4f87a2733df78d8b2ae956f1b
PDF
Publication pagea3d486c8bb4564a032c35b9b5a3410913a95d2dacd6fb1623812ce2533cbee59
Manifestca4626f755866c8dd777de932d3e7f2530dc62a37332de2d26b82d4e947a83bc

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
SignatureOmy/HfICdpdzoVMBA47n49ktiauwh2lAnaaJPEq8T/TSdXv8PanildfUCOROLOq1vU17+yH6YwdS6A1HOSjvCw==
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

2026-09-17T11:39:57.613601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029317
observed a3d486c8bb4564a032c35b9b5a341091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:57.595536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029317/manifest.json
observed ca4626f755866c8dd777de932d3e7f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:57.577159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029317/publication.md
observed 409f1106d76b596525326038117020b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:57.560079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029317/publication.txt
observed c6dfffae356005f31e644676a0c0ac40...
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.