OpenTechnical

OT-2026-000069748

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000069748) never changes.

Identity and time

Publication numberOT-2026-000069748 · never reused
Internal UUID01a0ae91-185f-7ff7-94fa-951572b6e7ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069748
StatusPUBLIC

Content hashes

Canonical textdf97630b3fcda08b3b248e57e07642860350e79d0ac36edf4d79f1c9e913acb8
Markdown0d58c4d9d06458e78627cc488c7706bc236e55f3594e2b4b309dbb635e8cfdde
PDF
Publication pagee4fce9e841b714a10b0dd55b8d335e3af432db0713f5fe41d20c5cdb68e8a84c
Manifest85c5279d83262c325a55509d34f16f0ac2df557c974f3c7e56d83684d046a9fa

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
SignaturedLIvgjIxTayj9vAmx4hLZ2h56v1MGsAem7BfwXMKKRHHIRlUi9b3x5tM6JYGVwjgfCPjfcs4hVgjhr/l3crQCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:34.073579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069748
observed e4fce9e841b714a10b0dd55b8d335e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.057261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069748/manifest.json
observed 85c5279d83262c325a55509d34f16f0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.040059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069748/publication.md
observed 0d58c4d9d06458e78627cc488c7706bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.019881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069748/publication.txt
observed df97630b3fcda08b3b248e57e0764286...
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.