Pith Number

pith:BVDD5Z4O

pith:2013:BVDD5Z4OWX64F2IPYDKL5XRPNF

not attested not anchored not stored refs pending

Modelling photometric reverberation data -- a disk-like broad-line region and a potentially larger black hole mass for 3C120

C. Bruckmann, C. Westhues, F. Pozo Nu\~nez, K. Steenbrugge, M. Haas, M. Murphy, M. Ramolla, R. Chini, R. Lemke, W. Kollatschny

arxiv:1309.7873 v3 · 2013-09-30 · 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{BVDD5Z4OWX64F2IPYDKL5XRPNF}

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	2026-05-18T01:47:24.415375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d463ee78eb5fdc2e90fc0d4bede2f69460e31da1ccac730a44c91f383eba40c

Aliases

arxiv: 1309.7873 · arxiv_version: 1309.7873v3 · doi: 10.48550/arxiv.1309.7873 · pith_short_12: BVDD5Z4OWX64 · pith_short_16: BVDD5Z4OWX64F2IP · pith_short_8: BVDD5Z4O

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/BVDD5Z4OWX64F2IPYDKL5XRPNF \
  | 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: 0d463ee78eb5fdc2e90fc0d4bede2f69460e31da1ccac730a44c91f383eba40c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7a7ea71c578f06b9cd41c97d6cc42d015af178547296bd94d47f84c25f2d7e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-30T15:10:30Z",
    "title_canon_sha256": "bc10b3cdd5db383a9c1f0ecccadff207f796d7543bb48ac4258dfddf1479eb1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7873",
    "kind": "arxiv",
    "version": 3
  }
}