Pith Number

pith:H4NE3OCC

pith:2009:H4NE3OCCYZZJ4U7EMSJ2Q6SBSZ

not attested not anchored not stored refs pending

Effect of Plasma Composition on the Interpretation of Faraday Rotation

E.G. Blackman, Kiwan Park

arxiv:0906.4985 v1 · 2009-06-26 · astro-ph.HE · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4NE3OCCYZZJ4U7EMSJ2Q6SBSZ}

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	2026-05-18T02:13:12.324771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f1a4db842c6729e53e46493a87a41967ce625c47d4c194942750ec99e5d7589

Aliases

arxiv: 0906.4985 · arxiv_version: 0906.4985v1 · doi: 10.48550/arxiv.0906.4985 · pith_short_12: H4NE3OCCYZZJ · pith_short_16: H4NE3OCCYZZJ4U7E · pith_short_8: H4NE3OCC

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/H4NE3OCCYZZJ4U7EMSJ2Q6SBSZ \
  | 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: 3f1a4db842c6729e53e46493a87a41967ce625c47d4c194942750ec99e5d7589

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99a25fca6ac31f5c4466180a04ed3880dd057804ff76d522a2ed12d3c43f8d20",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-06-26T17:42:44Z",
    "title_canon_sha256": "45f2880d9f688c8a35821ab513def201d6e3af0f836ca84e465b6789283c0d70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4985",
    "kind": "arxiv",
    "version": 1
  }
}