OpenTechnical

OT-2026-000037137

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000037137) never changes.

Identity and time

Publication numberOT-2026-000037137 · never reused
Internal UUID01a0ae77-7741-7b57-a0c4-b627dbdf3fbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037137
StatusPUBLIC

Content hashes

Canonical textf7fc90ce4603fc62c49b898b04ca89fb960969575b8a7c55823789b22b16ad2d
Markdownccef5a2401cccf4509ae13c8ac83bb486968f622d0a14332e5df25094315578a
PDF
Publication paged9b306d01b871e6f733e4a5ba047c6fa0ffbad8f0eb3108f9a44e91627f5ae52
Manifest42acc80fc04a18367022fbe14a22b8b6c9778d2f9cc8390b0dcec9f98657952d

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
Signature84EXXCDFSscKISOTn0AdBQHG76Xgur78L5P8c1y+jrxzYZKSfnK8n5AibvvUrn+S8ho94aMdnv0zoFXL+zedDg==
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

2026-09-17T11:25:00.882709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037137
observed d9b306d01b871e6f733e4a5ba047c6fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.866626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037137/manifest.json
observed 42acc80fc04a18367022fbe14a22b8b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.851243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037137/publication.md
observed ccef5a2401cccf4509ae13c8ac83bb48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.834772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037137/publication.txt
observed f7fc90ce4603fc62c49b898b04ca89fb...
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.