OpenTechnical

OT-2026-000099419

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000099419) never changes.

Identity and time

Publication numberOT-2026-000099419 · never reused
Internal UUID01a0aea2-c973-75c8-a48d-d81f1afd3af6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099419
StatusPUBLIC

Content hashes

Canonical text637c081a09efc7e07efbc1d85591b8bff63a15b4887ae83af9f5eaf98ba4a020
Markdown1881e6a4f76708ea4fad367030264fb838689b6865591958941d3c31555cfac0
PDF
Publication pagead78e9f13ca11749df5a445eaa426f3410f192f2feacb472a5a05c0b01b5412d
Manifestfd6eadee247709e259ef187545c310d0f64fdd15a46a15d3fa36d9d46a8b7dc6

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
SignatureMSQj8IcsbcQBERG+KZHh7M5mj00sjInu9Dml8qxcBoQ/jcCxFebgMjq3TmqrRMsWHGwgF+Vi/clDGSh3RchUAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:11.415747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099419
observed ad78e9f13ca11749df5a445eaa426f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:11.398329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099419/manifest.json
observed fd6eadee247709e259ef187545c310d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:11.381004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099419/publication.md
observed 1881e6a4f76708ea4fad367030264fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:11.364402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099419/publication.txt
observed 637c081a09efc7e07efbc1d85591b8bf...
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.