OpenTechnical

OT-2026-000047498

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000047498) never changes.

Identity and time

Publication numberOT-2026-000047498 · never reused
Internal UUID01a0ae7f-3e58-794f-8d00-a88330c80506 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047498
StatusPUBLIC

Content hashes

Canonical text3e0b215fced4b93b8f4119726320048fb372f46095f660a2d92b4157f149e50b
Markdown15f655550476e9f5e142ae7488cc7e393ed27668ea042bba2ddcbad153e64aa1
PDF
Publication page3bc0269ec6c26cedb89e7e4b55494f69eb3ed766496e560865bc346b710aac69
Manifest23f7826d0e01e7682371fbc5ed54ccfba2931d04257922f401767934aa917cca

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
Signatureemb9COhqvdhiwknEpjYzWGgPJPIfFNjYcBgGwKntHVioKeAOh+koH1QSf6r4126a5y/79oGFIFBimWn06U2TBA==
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

2026-09-17T11:06:32.524479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047498
observed 3bc0269ec6c26cedb89e7e4b55494f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.506026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047498/manifest.json
observed 23f7826d0e01e7682371fbc5ed54ccfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.489429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047498/publication.md
observed 15f655550476e9f5e142ae7488cc7e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.471115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047498/publication.txt
observed 3e0b215fced4b93b8f4119726320048f...
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.