OpenTechnical

OT-2026-000047684

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000047684) never changes.

Identity and time

Publication numberOT-2026-000047684 · never reused
Internal UUID01a0ae7f-c41f-7a7c-b995-7f772031b94e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047684
StatusPUBLIC

Content hashes

Canonical text1e4fbd38318018d0a1a6881140029bd4e429cd5e70859a6e7daf2e97c79f6e67
Markdownaf9852c73f1289915cdc8aad85eddc090fa67f28ed17a34514628c827754220f
PDF
Publication page505739faba7450b6968d21417f7234105baabb52d40091cda3069dfa2eda439b
Manifest46fbfa57a955e1ddc59af12289e498fb128a14dce9d9b4ed5415bc519b17d538

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
SignatureO7+uFa09/FhSJicdnrGJ91sIn8uSRgCa8dv6Cd+a3tcevEu6S2FZPay8A+SZ9WMUdw+dM927As4h1xhdE0qqBg==
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

2026-09-17T11:05:32.007855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047684
observed 505739faba7450b6968d21417f723410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.987898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047684/manifest.json
observed 46fbfa57a955e1ddc59af12289e498fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.968837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047684/publication.md
observed af9852c73f1289915cdc8aad85eddc09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.950031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047684/publication.txt
observed 1e4fbd38318018d0a1a6881140029bd4...
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.