OpenTechnical

OT-2026-000046381

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000046381) never changes.

Identity and time

Publication numberOT-2026-000046381 · never reused
Internal UUID01a0ae7e-57db-718d-aec8-6b8e51d4e459 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046381
StatusPUBLIC

Content hashes

Canonical text604247db7dcf4b9233d2f5fb3f22fc13c617a0a7888a9b4388e92a995ab1e1e6
Markdown95dc9b9d7cf294ad6da8d8139fe1bdc33a76f27d5fa90261e70ef46894a27ae0
PDF
Publication pagee8fb6bea0c2ef623becab83ba83f26ad437d7e84b71e829f01a1ebfdeb319fc1
Manifest002e3a51e63d9f65cd69e509c2954f3edfa697c2823161ba9eae5fd2574f2958

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
Signaturer7YoW8sZ0o21GqGhVJ597SnEhvEed7hBJjzwudyXgrYJk+X6L5t9nCJYbLVOVK96hCq7Fhm3mMiasMlcE7IZCQ==
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

2026-09-17T11:08:23.001958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046381
observed e8fb6bea0c2ef623becab83ba83f26ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:22.982517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046381/manifest.json
observed 002e3a51e63d9f65cd69e509c2954f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:22.964077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046381/publication.md
observed 95dc9b9d7cf294ad6da8d8139fe1bdc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:22.945897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046381/publication.txt
observed 604247db7dcf4b9233d2f5fb3f22fc13...
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.