Pith Number

pith:DOMH6PSL

pith:2013:DOMH6PSLSWWY2X36HTZZN7MZPF

not attested not anchored not stored refs pending

The NuSTAR Extragalactic Survey: A First Sensitive Look at the High-Energy Cosmic X-ray Background Population

A. Comastri, A. Del Moro, A. H. Gonzalez, B. Luo, B. W. Grefenstette, C. J. Hailey, C. M. Urry, C. R. Bridge, C. Saez, C. W. Tsar, D. M. Alexander (Durham), D. R. Ballantyne, D. Stern (JPL), E. Treister, F. A. Harrison, F. Civano, F. E. Bauer, F. E. Christensen, G. B. Lansbury, J. Aird, J. R. Mullaney, K. K. Madsen, M. Ajello, M. Elvis, M. Perri, P. R. M. Eisenhardt, R. C. Hickox, R. J. Assef, S. E. Boggs, S. H. Miller, S. Puccetti, W. N. Brandt, W. W. Craig, W. W. Zhang

arxiv:1307.1733 v1 · 2013-07-05 · 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{DOMH6PSLSWWY2X36HTZZN7MZPF}

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	2026-05-18T01:48:59.202598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b987f3e4b95ad8d5f7e3cf396fd99796f834efe9b3bed9d84594e306dfa8078

Aliases

arxiv: 1307.1733 · arxiv_version: 1307.1733v1 · doi: 10.48550/arxiv.1307.1733 · pith_short_12: DOMH6PSLSWWY · pith_short_16: DOMH6PSLSWWY2X36 · pith_short_8: DOMH6PSL

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/DOMH6PSLSWWY2X36HTZZN7MZPF \
  | 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: 1b987f3e4b95ad8d5f7e3cf396fd99796f834efe9b3bed9d84594e306dfa8078

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f56c718981ce8adc9a0048ab42da685d2a847852de6f409c8298ff5ee838adf",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-07-05T22:41:00Z",
    "title_canon_sha256": "8db1c8ff66d83f89125aba016f456c175f7e6f2314da945b40a4269c7990c7c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1733",
    "kind": "arxiv",
    "version": 1
  }
}