Pith Number

pith:GZQALTIQ

pith:2009:GZQALTIQCISJWT2NIVZMA4PZ6O

not attested not anchored not stored refs pending

A strong excess in the 20-100 keV emission of NGC 1365

G. Fabbiano, G. Matt, G. Risaliti, J. Reeves, J. Wang, M. Elvis, M. Salvati, R. Maiolino, S. Bianchi, V. Braito, V. LaParola

arxiv:0909.2820 v1 · 2009-09-15 · 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{GZQALTIQCISJWT2NIVZMA4PZ6O}

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	2026-05-18T02:34:29.981234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

366005cd1012249b4f4d4572c071f9f3ba59fe58a593c8fb18dbeab23057abd0

Aliases

arxiv: 0909.2820 · arxiv_version: 0909.2820v1 · doi: 10.48550/arxiv.0909.2820 · pith_short_12: GZQALTIQCISJ · pith_short_16: GZQALTIQCISJWT2N · pith_short_8: GZQALTIQ

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/GZQALTIQCISJWT2NIVZMA4PZ6O \
  | 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: 366005cd1012249b4f4d4572c071f9f3ba59fe58a593c8fb18dbeab23057abd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f66377b26ea969e6fcea8d9f61217171c4c0b4830b40f96148fe8d9421e823d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-15T14:55:56Z",
    "title_canon_sha256": "97c1d0d17cd004ff48b6010e5651f1d5c75c952e12157cbf1676e69205e7596b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2820",
    "kind": "arxiv",
    "version": 1
  }
}