OpenTechnical

OT-2026-000069578

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000069578) never changes.

Identity and time

Publication numberOT-2026-000069578 · never reused
Internal UUID01a0ae90-b52b-795b-bbf0-860af54fb355 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069578
StatusPUBLIC

Content hashes

Canonical textdc14e1ccbb82d9a46889c184d3b4e121bee04b59baad776a7c1f81da2a8cfd8a
Markdown12765551b0b63f0b1044e0d44c75f999412c7accfd743f80754798edada35b41
PDF
Publication page4338c7fdcbbc0a3bc401cf634136f8f92e7e172b3cd66b1e4c69d95bc89e39d5
Manifest2e26ab696ae4db50194eec4684092453f28489ac05c4a7e107b87152f55b7fac

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
SignatureC5OJmc4yeugsGA2yuvLj4BwqbjcIt+tiea+a1I++vv8O8dLg6/MrFPyb43NLAx5ZSPicY4ZV/D/jbnYyHsBHAw==
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

2026-09-17T10:30:42.074721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069578
observed 4338c7fdcbbc0a3bc401cf634136f8f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:42.055073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069578/manifest.json
observed 2e26ab696ae4db50194eec4684092453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:42.035594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069578/publication.md
observed 12765551b0b63f0b1044e0d44c75f999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:42.015078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069578/publication.txt
observed dc14e1ccbb82d9a46889c184d3b4e121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.049546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069578
observed 4338c7fdcbbc0a3bc401cf634136f8f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.032702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069578/manifest.json
observed 2e26ab696ae4db50194eec4684092453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.015900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069578/publication.md
observed 12765551b0b63f0b1044e0d44c75f999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.998821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069578/publication.txt
observed dc14e1ccbb82d9a46889c184d3b4e121...
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.