Pith Number

pith:3KYAE54E

pith:2011:3KYAE54EGI576VIRXD5BAARZ2J

not attested not anchored not stored refs pending

The flare model for X-ray variability of NGC 4258

B. Czerny, M. Dovciak, M. Nikolajuk, R. Goosmann, T. Pechacek, T. Trzesniewski, V. Karas

arxiv:1104.4181 v2 · 2011-04-21 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3KYAE54EGI576VIRXD5BAARZ2J}

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	2026-05-18T04:21:21.181925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dab0027784323bff5511b8fa100239d26849504527ccd4f8f776911af4124fd6

Aliases

arxiv: 1104.4181 · arxiv_version: 1104.4181v2 · doi: 10.48550/arxiv.1104.4181 · pith_short_12: 3KYAE54EGI57 · pith_short_16: 3KYAE54EGI576VIR · pith_short_8: 3KYAE54E

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/3KYAE54EGI576VIRXD5BAARZ2J \
  | 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: dab0027784323bff5511b8fa100239d26849504527ccd4f8f776911af4124fd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32ff04a066d96cf686ab2e7a6b64d28687318d77995640398d77b983f824b592",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-04-21T06:41:06Z",
    "title_canon_sha256": "755d57229f2a2006cce8f918f2aa029f6cab86c4c852fc635a7b08497d321373"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4181",
    "kind": "arxiv",
    "version": 2
  }
}