OpenTechnical

OT-2026-000047105

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000047105) never changes.

Identity and time

Publication numberOT-2026-000047105 · never reused
Internal UUID01a0ae7e-d0f8-72b8-ae31-7392a684d2db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047105
StatusPUBLIC

Content hashes

Canonical text28fb4c3b3ce085be1f9a3d6e5b30cd6aa2548adcb787c8ec7c752535a4387478
Markdown9158d5d31524df5b6fb7ae6dcb0615c07987055e3f4e139a59451b2481c59b82
PDF
Publication page148d311d7265e2604ed43c0690d48dae96da0840ee9f0ce0402b11b2d152e5ba
Manifest83efbbeb6bb2234a637977b51d2236f8c383cb1f6eb35fcd9584a76ac41d3d81

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
Signature8kM0Lx9tscQaPyVbiNOoHdPLZ4bBA79KP+AR2IFSvNBl9SwUTizGxgAqdED4FhR/sVG/bFiPjeLF44dDm24QCw==
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

2026-09-17T11:10:25.697714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047105
observed 148d311d7265e2604ed43c0690d48dae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.679128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047105/manifest.json
observed 83efbbeb6bb2234a637977b51d2236f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.660654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047105/publication.md
observed 9158d5d31524df5b6fb7ae6dcb0615c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.641516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047105/publication.txt
observed 28fb4c3b3ce085be1f9a3d6e5b30cd6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:53.920205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047105
observed 148d311d7265e2604ed43c0690d48dae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:53.901485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047105/manifest.json
observed 83efbbeb6bb2234a637977b51d2236f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:53.882507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047105/publication.md
observed 9158d5d31524df5b6fb7ae6dcb0615c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:53.862098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047105/publication.txt
observed 28fb4c3b3ce085be1f9a3d6e5b30cd6a...
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.