OpenTechnical

OT-2026-000022380

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000022380) never changes.

Identity and time

Publication numberOT-2026-000022380 · never reused
Internal UUID01a0ae6f-f4fd-7a07-a473-3fdfe12d9486 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022380
StatusPUBLIC

Content hashes

Canonical texteeb7108a6706c00e7ffe95eb44ae9e92eae3831fa2979fed51fe4e7fdb563cfd
Markdown2347edc0a380a8ba986d2b888429f3a8de24bd08f62d98fbf9ea682fa690b216
PDF
Publication page1d207e5084a26f3304745ed23df4c2b4988234a72ef9a121313748584a251c82
Manifestf3dd503e3ea86f3ec3508e90e7d88af08a4ecbad4697417ad66b0b3c4d1dde05

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
SignatureqoOPo/cpCs/uwIOSlCeKJJwmMEik+aKpq/0vWnC9VfXRv4YlLsWu8Mxnf9prm/yg7IdkC2UVeJz9XQYhfHGtDA==
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

2026-09-17T11:53:45.340314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022380
observed 1d207e5084a26f3304745ed23df4c2b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.321625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022380/manifest.json
observed f3dd503e3ea86f3ec3508e90e7d88af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.302579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022380/publication.md
observed 2347edc0a380a8ba986d2b888429f3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.282826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022380/publication.txt
observed eeb7108a6706c00e7ffe95eb44ae9e92...
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.