OpenTechnical

OT-2026-000046921

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000046921) never changes.

Identity and time

Publication numberOT-2026-000046921 · never reused
Internal UUID01a0ae7e-d0f6-7271-9369-6f5b70ff0d73 · 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-2026-000046921
StatusPUBLIC

Content hashes

Canonical textb3bd4b60da9d04ce73e49d967479e0bc12005588b534a46ca03d543ad0fd182d
Markdown675f1ea83e9f0da2f7671acff0bf959cfa2ebb5d12cb9408c0514bb465ee3eb3
PDF
Publication pageb1af4b33b72fdf2771775db15ffe938b40c9ada5f9fb632add0db1fa71a4ac01
Manifest61bf267057c38843470f9ce403fe46f7413f166cc7edc4c2c22f71fa72af98ed

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
SignatureduAzNka7SK/xxN+ij5n9jAZFykM5vC9OBjkDwKm8I3X6KIgpBmGLe+fG6t1xqPHAXgvdJZQNT7w/QWy0BatICA==
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

2026-09-17T11:10:04.167041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046921
observed b1af4b33b72fdf2771775db15ffe938b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.144544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046921/manifest.json
observed 61bf267057c38843470f9ce403fe46f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.125007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046921/publication.md
observed 675f1ea83e9f0da2f7671acff0bf959c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.095814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046921/publication.txt
observed b3bd4b60da9d04ce73e49d967479e0bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:38.621597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046921
observed b1af4b33b72fdf2771775db15ffe938b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:38.603102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046921/manifest.json
observed 61bf267057c38843470f9ce403fe46f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:38.582249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046921/publication.md
observed 675f1ea83e9f0da2f7671acff0bf959c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:38.561716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046921/publication.txt
observed b3bd4b60da9d04ce73e49d967479e0bc...
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.