Pith Number

pith:CBHFANNF

pith:2009:CBHFANNFCB5ZLIEXB6V7IGKTRF

not attested not anchored not stored refs pending

Discovery of an optical counterpart to the hyperluminous X-ray source in ESO 243-49

Albert K. H. Kong (Tsing Hua), Alister W. Graham (Swinburne), George K. T. Hau (Swinburne), I-Hui Li (Swinburne), Ji-Feng Liu (Harvard-CfA), Kinwah Wu (MSSL/UCL), N. Paul M. Kuin (MSSL/UCL), Roberto Soria (MSSL/UCL)

arxiv:0910.1356 v2 · 2009-10-07 · 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{CBHFANNFCB5ZLIEXB6V7IGKTRF}

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	2026-05-18T02:11:25.690335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

104e5035a5107b95a0970fabf4195389503720d97ab32eeab231a98f37e7c398

Aliases

arxiv: 0910.1356 · arxiv_version: 0910.1356v2 · doi: 10.48550/arxiv.0910.1356 · pith_short_12: CBHFANNFCB5Z · pith_short_16: CBHFANNFCB5ZLIEX · pith_short_8: CBHFANNF

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/CBHFANNFCB5ZLIEXB6V7IGKTRF \
  | 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: 104e5035a5107b95a0970fabf4195389503720d97ab32eeab231a98f37e7c398

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35bb1942dbe14e490aed91e05f0de69aa89898ba519e7810d12e741f841a19e0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-10-07T20:10:38Z",
    "title_canon_sha256": "aca05bd9a68410e3a21e8dce58581b70f568dbc884846252aa2a7c47f9f06a48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1356",
    "kind": "arxiv",
    "version": 2
  }
}