OpenTechnical

OT-2026-000056554

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056554) never changes.

Identity and time

Publication numberOT-2026-000056554 · never reused
Internal UUID01a0ae87-7af5-7502-b494-cdf5b4ca4581 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056554
StatusPUBLIC

Content hashes

Canonical text35659acd1ded285654e566ba83dd300857625177c676a82cf05809f85fb97c86
Markdown22685585b53b9dc7a1078956c0e2a0f283969d3f8e27f81e217de594a1c66cbe
PDF
Publication pagec83f5cd0a7058eea9b9a6e8358c5dc7dd61f60d25b58e9598151a540cd161177
Manifest032f66d058713d5fcbb9c13022b41761c1357718a1c37543b373bcb01c95120f

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
SignaturegcjZRVEnXTOGRzZj9gbg5CRgIfaiRGB45c4G7zWo2uSUjj5gqumPhd9rJudnxbYhnBcCpV1ebeeeL/Am/9uoAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:53.291918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056554
observed c83f5cd0a7058eea9b9a6e8358c5dc7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.274105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056554/manifest.json
observed 032f66d058713d5fcbb9c13022b41761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.256484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056554/publication.md
observed 22685585b53b9dc7a1078956c0e2a0f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.237947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056554/publication.txt
observed 35659acd1ded285654e566ba83dd3008...
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.