Pith Number

pith:YYIV426X

pith:2019:YYIV426XAO35IAXT2QPNIJAGUX

not attested not anchored not stored refs pending

A bayesian-like approach to derive chemical abundances in Type-2 Active Galactic Nuclei based on photoionization models

E. P\'erez-Montero, G. F. H\"agele, J. M. V\'ilchez, M. V. Cardaci, O. L. Dors, R. Garc\'ia-Benito

arxiv:1908.04827 v1 · 2019-08-13 · 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{YYIV426XAO35IAXT2QPNIJAGUX}

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	2026-07-05T00:06:53.500010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6115e6bd703b7d402f3d41ed42406a5d00bb6785c66fc97fceed91754514733

Aliases

arxiv: 1908.04827 · arxiv_version: 1908.04827v1 · doi: 10.48550/arxiv.1908.04827 · pith_short_12: YYIV426XAO35 · pith_short_16: YYIV426XAO35IAXT · pith_short_8: YYIV426X

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/YYIV426XAO35IAXT2QPNIJAGUX \
  | 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: c6115e6bd703b7d402f3d41ed42406a5d00bb6785c66fc97fceed91754514733

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2270afaaa6c692ada9e6cc64e28171bdb4a978e41234667bc7d41186ad7b131e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-13T19:02:06Z",
    "title_canon_sha256": "0918a6e1219e1267d00dc5eac873b3fac87bafd3970c21874dc171b5e9b9c3f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04827",
    "kind": "arxiv",
    "version": 1
  }
}