OpenTechnical

OT-2026-000041365

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000041365) never changes.

Identity and time

Publication numberOT-2026-000041365 · never reused
Internal UUID01a0ae79-b144-792b-855e-70dfea8c26a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041365
StatusPUBLIC

Content hashes

Canonical textafcba47c671321b0db3638832cb58722b9fefcae4269ac7c633dfcb995abf344
Markdown7242dd38df01255f368a11a21b9430e2b5576d6fd6f8bf44a98f5870bda2e925
PDF
Publication pageea884017d83044f518bf36c9d4ab6ca4100f32d9a912d64096a8d95af1e22f48
Manifest239d9aecc38648d43f04ce449f245c0109f2029c47d97777ad2d9650160469b9

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
SignatureHbqkn1p1bgI/S56hqUkIwk1RLyvcNyD9Ukv2LdshAU1GI6cJN8hRsPxaXBCqi8NUK4/wVZ1t79CvfT4cecHfBA==
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

2026-09-17T11:17:22.130008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041365
observed ea884017d83044f518bf36c9d4ab6ca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:22.111537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041365/manifest.json
observed 239d9aecc38648d43f04ce449f245c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:22.093489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041365/publication.md
observed 7242dd38df01255f368a11a21b9430e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:22.075268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041365/publication.txt
observed afcba47c671321b0db3638832cb58722...
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.