OpenTechnical

OT-2026-000030141

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000030141) never changes.

Identity and time

Publication numberOT-2026-000030141 · never reused
Internal UUID01a0ae73-e4ff-7a18-8b24-4e5687665c8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030141
StatusPUBLIC

Content hashes

Canonical text1e95a32f7e7c34716bda5ded046126e3b8c41917eaa7ba2d3a8e872d01817ed9
Markdown6acf7f72a68d39735f8d1d53632d5373aff9dd4c4ce9b1ef77fae9f9541e05ca
PDF
Publication page9536d060c640f4b60fa8e1b2cea8e39516d90f00c46b8c08e391c614119a8b48
Manifest4a2e77755e7944d744d21576cd0210f4245080c8596a2ca04e82d9c73196be54

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
SignatureEMejMt2GK9QpburBPHs28kRUFJcV/rwG6PEpr3zCGBVilxRTk3UISENOS1T7zfuZOCLmfQ6IqPEhnJRToXTKCA==
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

2026-09-17T11:40:23.036191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030141
observed 9536d060c640f4b60fa8e1b2cea8e395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.016226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030141/manifest.json
observed 4a2e77755e7944d744d21576cd0210f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.997074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030141/publication.md
observed 6acf7f72a68d39735f8d1d53632d5373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.976542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030141/publication.txt
observed 1e95a32f7e7c34716bda5ded046126e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.020910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030141
observed 9536d060c640f4b60fa8e1b2cea8e395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.002607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030141/manifest.json
observed 4a2e77755e7944d744d21576cd0210f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:45.986296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030141/publication.md
observed 6acf7f72a68d39735f8d1d53632d5373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:45.968619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030141/publication.txt
observed 1e95a32f7e7c34716bda5ded046126e3...
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.