Pith Number

pith:2ATKGAFL

pith:2009:2ATKGAFL4WZMEZWXZIH5RVPJ2D

not attested not anchored not stored refs pending

The Distribution and Cosmic Density of Relativistic Iron Lines in Active Galactic Nuclei

D.R. Ballantyne (Center for Relativistic Astrophysics, Georgia Tech)

arxiv:0910.3947 v1 · 2009-10-20 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ATKGAFL4WZMEZWXZIH5RVPJ2D}

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	2026-05-18T02:11:13.581862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d026a300abe5b2c266d7ca0fd8d5e9d0f2618ba1c1b9f1509e93cd09977017a9

Aliases

arxiv: 0910.3947 · arxiv_version: 0910.3947v1 · doi: 10.48550/arxiv.0910.3947 · pith_short_12: 2ATKGAFL4WZM · pith_short_16: 2ATKGAFL4WZMEZWX · pith_short_8: 2ATKGAFL

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/2ATKGAFL4WZMEZWXZIH5RVPJ2D \
  | 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: d026a300abe5b2c266d7ca0fd8d5e9d0f2618ba1c1b9f1509e93cd09977017a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c91a30b63bf5a69ccecda4e4462cc50082508ae92f79e9d4479df93669aa84df",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-10-20T20:00:03Z",
    "title_canon_sha256": "21a1827337a6a60d4dd7c5aada080a49ef77b6d71b183ab52966c403c7fd7f2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3947",
    "kind": "arxiv",
    "version": 1
  }
}