Pith Number

pith:Q54Z3VLZ

pith:2019:Q54Z3VLZUXA5NP2EUXINQH2K5H

not attested not anchored not stored refs pending

Modelling the AGN broad line region using single-epoch spectra I. The test case of Arp 151

A. J. Barth, A. Pancoast, M. R. Goad, M. Vestergaard, S. I. Raimundo

arxiv:1908.03230 v1 · 2019-08-08 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q54Z3VLZUXA5NP2EUXINQH2K5H}

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	2026-07-04T23:58:28.827378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87799dd579a5c1d6bf44a5d0d81f4ae9f0d322bb801ad9fa499f7efea7019d06

Aliases

arxiv: 1908.03230 · arxiv_version: 1908.03230v1 · doi: 10.48550/arxiv.1908.03230 · pith_short_12: Q54Z3VLZUXA5 · pith_short_16: Q54Z3VLZUXA5NP2E · pith_short_8: Q54Z3VLZ

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/Q54Z3VLZUXA5NP2EUXINQH2K5H \
  | 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: 87799dd579a5c1d6bf44a5d0d81f4ae9f0d322bb801ad9fa499f7efea7019d06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9acfb8f733ae8b88c96c1572bee48b3a1ea61b510a48aec9ef4e0c57f05c2c68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-08T18:16:26Z",
    "title_canon_sha256": "70fd39d7731fbf3c19807b092a238e70f463927d01576f4b9690ded8766f8b65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03230",
    "kind": "arxiv",
    "version": 1
  }
}