OpenTechnical

OT-2026-000037188

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000037188) never changes.

Identity and time

Publication numberOT-2026-000037188 · never reused
Internal UUID01a0ae77-7741-7d50-b3e2-dd665f024813 · 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-2026-000037188
StatusPUBLIC

Content hashes

Canonical textb65b6e178f955faff616937089476a0cac4bb7dff0add394b27d324cec783d96
Markdown32173cfd61a632a4e10454db907f532fb1b6bdee4fe6c7eba7fa06079447f1c4
PDF
Publication page2b6562997408c231dc04619aa08087c37a1c9fcb9b962aa2f35b2cff7da7535b
Manifestf347c67025e15b066d74d3604e8673f04995fe73290ac56266a52f7aea0df74f

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
SignatureTGuc2a3FI7BpR+X3ZqfCw/OAPOcFVTDUzm1MDyxlex1nsiW862mRJcuqB9IkTEKXwYYYbNDHMq7LxTDHXDcwDA==
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

2026-09-17T11:25:04.421909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037188
observed 2b6562997408c231dc04619aa08087c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.406266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037188/manifest.json
observed f347c67025e15b066d74d3604e8673f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.390010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037188/publication.md
observed 32173cfd61a632a4e10454db907f532f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.375713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037188/publication.txt
observed b65b6e178f955faff616937089476a0c...
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.