Pith Number

pith:TREB3NHO

pith:2012:TREB3NHOLOSKUWIDTFVPGAA2FM

not attested not anchored not stored refs pending

IONORT: a Windows software tool to calculate the HF ray tracing in the ionosphere

A. Azzarone, A. Settimi, C. Bianchi, C. Scotto, M. Pezzopane, M. Pietrella

arxiv:1202.2079 v1 · 2012-02-09 · physics.geo-ph · astro-ph.IM · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TREB3NHOLOSKUWIDTFVPGAA2FM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:58:31.655475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c481db4ee5ba4aa5903996af3001a2b05464777e4e87543c5364857dcb84275

Aliases

arxiv: 1202.2079 · arxiv_version: 1202.2079v1 · doi: 10.48550/arxiv.1202.2079 · pith_short_12: TREB3NHOLOSK · pith_short_16: TREB3NHOLOSKUWID · pith_short_8: TREB3NHO

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/TREB3NHOLOSKUWIDTFVPGAA2FM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9c481db4ee5ba4aa5903996af3001a2b05464777e4e87543c5364857dcb84275

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f325ca1f2fa48bb10f953cb136ded5e40c8492f4a6fc9a884e43e1965a06c2cb",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2012-02-09T18:51:02Z",
    "title_canon_sha256": "6192d948e4c521087b604b46c285aaa991b65af536548208ec92f8dfc4120fc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2079",
    "kind": "arxiv",
    "version": 1
  }
}