Pith Number

pith:H2GJDZIB

pith:2013:H2GJDZIBY6MDSOWWNWBJXIRI3F

not attested not anchored not stored refs pending

An Extremely Luminous and Variable Ultraluminous X-ray Source in the Outskirts of Circinus Observed with NuSTAR

A. C. Fabian, A. Ptak, B. W. Grefenstette, C. J. Hailey, D. Barret, D. J. Walton, D. Stern, F. A. Harrison, F. E. Bauer, F. E. Christensen, F. Fuerst, J. M. Miller, K. K. Madsen, M. Bachetti, N. A. Webb, S. E. Boggs, V. Rana, W. W. Craig, W. W. Zhang

arxiv:1310.2633 v1 · 2013-10-09 · 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{H2GJDZIBY6MDSOWWNWBJXIRI3F}

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	2026-05-18T01:47:07.271818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e8c91e501c798393ad66d829ba228d955b389fff365ed7341f046db4b2ed959

Aliases

arxiv: 1310.2633 · arxiv_version: 1310.2633v1 · doi: 10.48550/arxiv.1310.2633 · pith_short_12: H2GJDZIBY6MD · pith_short_16: H2GJDZIBY6MDSOWW · pith_short_8: H2GJDZIB

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/H2GJDZIBY6MDSOWWNWBJXIRI3F \
  | 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: 3e8c91e501c798393ad66d829ba228d955b389fff365ed7341f046db4b2ed959

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baf56b0a091ffb3dd938e94f74f0a2e6967321f09200d6dc4cc4bbbf2c1e30f5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-10-09T21:12:47Z",
    "title_canon_sha256": "e37df3944fd04bc9bec2ca6b11e572541bd0f80f63ec492af575a4c58dbae08c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2633",
    "kind": "arxiv",
    "version": 1
  }
}