OpenTechnical

OT-2026-000062056

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000062056) never changes.

Identity and time

Publication numberOT-2026-000062056 · never reused
Internal UUID01a0ae8b-b8b0-7558-b6aa-79cb1077ed13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062056
StatusPUBLIC

Content hashes

Canonical text7943665ff62699dcb53510c65d9028e08603a78d96ddd22bd9125e52e21a822c
Markdown22105e3a1ce73207affd7da90266febd471184dc7b169da56718f07ff420d88d
PDF
Publication pagee7ded18b1d08cd82223d0e2d71ee16a52a4efefc752dbaef79d90eee231af615
Manifest17b7c4d498f37e0c0aa9088a97eba321990b118458ff45f2dbc11f3b72401102

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
Signature6RIt7uKcyH3r+HxAI/RM8iFhG8Bj79JxQcRqym4p8vM5eRbRxF0lcmRKdt1U/b/FnqTJaP0VA6l/6KNgFCW6Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:06.003645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062056
observed e7ded18b1d08cd82223d0e2d71ee16a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.984824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062056/manifest.json
observed 17b7c4d498f37e0c0aa9088a97eba321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.967565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062056/publication.md
observed 22105e3a1ce73207affd7da90266febd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.947724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062056/publication.txt
observed 7943665ff62699dcb53510c65d9028e0...
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.