OpenTechnical

OT-2026-000058137

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000058137) never changes.

Identity and time

Publication numberOT-2026-000058137 · never reused
Internal UUID01a0ae88-6edb-73dc-b6e3-c42c98e339dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058137
StatusPUBLIC

Content hashes

Canonical texte29a8ddc1effe937ed68adff6c45e93fbf47c36988d9b0366caa6ce8cbf293e5
Markdown38ca35a72afb14434c4c637c1032a4f999c433f2abbd77bee8b735a0192e6fb0
PDF
Publication page44bb75a89f7b237aa9d35ed3d0e1fb01e17167ae83c9002c073cbc64e625ee54
Manifeste6ae836f33570403db533552a8484045b25db61efd3c6930fdefefebcb14ddcd

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
SignaturetRROwSGhlWPkEBerdx9ymXCgh2ZShSinCm0XI8OzPUT+4wV1tZBMotcq3WhyxTA/feX0+MUZy32TtMRXE8mGCg==
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...

Independent retrieval

2026-09-17T10:47:49.190079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058137
observed 44bb75a89f7b237aa9d35ed3d0e1fb01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:49.168773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058137/manifest.json
observed e6ae836f33570403db533552a8484045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:49.150248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058137/publication.md
observed 38ca35a72afb14434c4c637c1032a4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:49.131158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058137/publication.txt
observed e29a8ddc1effe937ed68adff6c45e93f...
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.