OpenTechnical

OT-2026-000049049

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000049049) never changes.

Identity and time

Publication numberOT-2026-000049049 · never reused
Internal UUID01a0ae81-134d-7096-ad35-4103a8dc0aa7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049049
StatusPUBLIC

Content hashes

Canonical text9657339e8591ecc9761e941993c3081883839f4712fda53c5792a1534b048528
Markdowndb80f6cbd3cba0d9b79564be19eb607915266acfb006cf8c50b68354bccc1f90
PDF
Publication page2241d024dad8a9082fc3a7df2c4497d1cc11fce1a6348230fc96538ec663cc2b
Manifestaaccfff4136a833a5930cf7333d20fff97c36633c9fd9c21e6412bb5fd73f208

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
Signature2JC/vkNddqX1F7QWb3YEpdPJV/sJIS1t856Jdy5jEtHJ8p679SbRrnfI/5rLOIQRDzA/81Ayp+tda4t/6QNVAw==
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

2026-09-17T11:03:16.705485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049049
observed 2241d024dad8a9082fc3a7df2c4497d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.688104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049049/manifest.json
observed aaccfff4136a833a5930cf7333d20fff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.670010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049049/publication.md
observed db80f6cbd3cba0d9b79564be19eb6079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.652295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049049/publication.txt
observed 9657339e8591ecc9761e941993c30818...
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.