OpenTechnical

OT-2026-000097489

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line 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-2026-000097489) never changes.

Identity and time

Publication numberOT-2026-000097489 · never reused
Internal UUID01a0aea1-55b3-7316-9090-e34a31a705c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097489
StatusPUBLIC

Content hashes

Canonical text011b76e0c686f13d361885eed60c3faa3da1f4ebc499d142ab072bfeed035f2c
Markdown9af893c5931c58ee8338ba7492c4da8f72777f053d3483517275e5bfa6a29d4d
PDF
Publication page20109016bb9f14192f37794bd1d1e8a8b1f1ccf8e03d3fe85b4bbe7ad81d7b74
Manifest37fb62ee79faa0d84242f517e1966673684c79fe9d64d5baa4f1b28edf824557

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
SignatureKiyL59cHsOD5pxEqd2Te8nrLQyiddYhbG+cS8CVFvrwKt3OEQCqKUyYGIQLEK14afvnWeoQv2+sa7qwoylb1Dg==
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

2026-09-17T09:33:21.668077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097489
observed 20109016bb9f14192f37794bd1d1e8a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.651942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097489/manifest.json
observed 37fb62ee79faa0d84242f517e1966673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.634726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097489/publication.md
observed 9af893c5931c58ee8338ba7492c4da8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.619064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097489/publication.txt
observed 011b76e0c686f13d361885eed60c3faa...
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.