Pith Number

pith:RGN5J7WE

pith:2014:RGN5J7WEFGREBB4NBAHDYICVAB

not attested not anchored not stored refs pending

The nature of massive black hole binary candidates: II. Spectral energy distribution atlas

Carmen Montuori, David W. Hogg, Elisabeta Lusso, Jason X. Prochaska, Massimo Dotti, Michele Fumagalli, Paraskevi Tsalmantza, Roberto Decarli

arxiv:1403.4931 v1 · 2014-03-19 · astro-ph.GA · 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{RGN5J7WEFGREBB4NBAHDYICVAB}

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	2026-05-18T01:43:59.162006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

899bd4fec429a240878d080e3c205500725baff573ba96dcba18f7a2fbc80d0f

Aliases

arxiv: 1403.4931 · arxiv_version: 1403.4931v1 · doi: 10.48550/arxiv.1403.4931 · pith_short_12: RGN5J7WEFGRE · pith_short_16: RGN5J7WEFGREBB4N · pith_short_8: RGN5J7WE

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/RGN5J7WEFGREBB4NBAHDYICVAB \
  | 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: 899bd4fec429a240878d080e3c205500725baff573ba96dcba18f7a2fbc80d0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d2f1ca01b654267023dfca4009a1d2717c615786c14fb80171a93f664b4114e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-03-19T20:00:00Z",
    "title_canon_sha256": "c297ba69de93c9c1a110808c4d5e9cb3641ae11b30dce33243447df667988899"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4931",
    "kind": "arxiv",
    "version": 1
  }
}