OpenTechnical

OT-2026-000047302

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000047302) never changes.

Identity and time

Publication numberOT-2026-000047302 · never reused
Internal UUID01a0ae7f-3e56-7850-830e-7f91ececca75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047302
StatusPUBLIC

Content hashes

Canonical text0f60a60501aa97065ff8f4b40efb8484329a1338854829d6eeb0d79591475d48
Markdown09e9b6613cecb4ef5e40f317a196102477232fc930f6ff07a99ecef062400a4e
PDF
Publication pagef9f21835fa1f0887bc2e2ae62e6c06dcac5281011f9ad3d785aaec356e87f6f2
Manifestba4c9c7309e0dcd8a596bcaeba106974f05b4d06265a674ec2775a278bf87798

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
SignatureYYEfmDJ2E7jAGW8ukmiGcJz9V8TgNMd4rj2jGPulz7edZUlQ5e3n3eQLQDroJfAKQz0ZxL83tHUEobFOFryZDA==
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

2026-09-17T11:06:16.937025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047302
observed f9f21835fa1f0887bc2e2ae62e6c06dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:16.919541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047302/manifest.json
observed ba4c9c7309e0dcd8a596bcaeba106974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:16.900843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047302/publication.md
observed 09e9b6613cecb4ef5e40f317a1961024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:16.881526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047302/publication.txt
observed 0f60a60501aa97065ff8f4b40efb8484...
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.