OpenTechnical

OT-2026-000050081

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000050081) never changes.

Identity and time

Publication numberOT-2026-000050081 · never reused
Internal UUID01a0ae81-fd79-775d-b729-775845792fb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050081
StatusPUBLIC

Content hashes

Canonical textc403fe286094e62c42b67794f0b3ba9ec2459a808e0316821a1f48055b7490ce
Markdownc8c8bef1a6b0c264bac3a168e35a01dd53bb8d5cc55eca38ad0437328748bb80
PDF
Publication page96d46efb4cea58d4cf1f019fb43a06e94864bd152caed79e0108b6e16c237b09
Manifest9a2f34d8e51e342cb05d0db6ec9b90ea4efbd3d352e47e1d1eadc107943e7d2b

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
Signature3euCDsY0ZVAjSeOo0RPLVxfaLRRsRxuOydC2a69nbzTs8d/pQGWKJSST6gUQwDhK73NnLFODK3/w3cmm675uAg==
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

2026-09-17T11:02:04.554307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050081
observed 96d46efb4cea58d4cf1f019fb43a06e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.536254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050081/manifest.json
observed 9a2f34d8e51e342cb05d0db6ec9b90ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.519112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050081/publication.md
observed c8c8bef1a6b0c264bac3a168e35a01dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.501968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050081/publication.txt
observed c403fe286094e62c42b67794f0b3ba9e...
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.