OpenTechnical

OT-2026-000059522

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000059522) never changes.

Identity and time

Publication numberOT-2026-000059522 · never reused
Internal UUID01a0ae89-8619-7232-8904-fce3d19bdee7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059522
StatusPUBLIC

Content hashes

Canonical text207c4025c6aacf38d09ddd37fff598a0cf5e7dbc4daeb2b10d2a215a386f403d
Markdown2fcfac5429d95a7026d95130d67cb5c249a42c8a17025b72cdd3c355df37628d
PDF
Publication pagebe3436bba87c94ee21e7c71e9c9185287120030f281428e4e59b42ac558a1f07
Manifest0d10cb17d4609753591f37f638702f643e50a0ddc820d46de79f7822bcf88092

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
SignaturerkLCW6gg6dmc0oQqv/DkGuUWHadQSKMoitge52v1OzCHGa3GW4gOMADa707lVqggFgCm7yS4fVjXe4Ts9bfUBA==
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

2026-09-17T10:46:14.531111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059522
observed be3436bba87c94ee21e7c71e9c918528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.510602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059522/manifest.json
observed 0d10cb17d4609753591f37f638702f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.490806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059522/publication.md
observed 2fcfac5429d95a7026d95130d67cb5c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.471589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059522/publication.txt
observed 207c4025c6aacf38d09ddd37fff598a0...
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.