Pith Number

pith:DSLJ7DR6

pith:2012:DSLJ7DR6L7Z63SS75YIWGADCRD

not attested not anchored not stored refs pending

X-rays as dominant excitation mechanism of [Fe ii] and H2 emission lines in active galaxies

Angela C. Krabbe, Enrique Perez-Montero, Guillermo F. Hagele, Irapuan Rodrigues, Monica V. Cardaci, Oli L. Dors Jr, Rogemar A. Riffel

arxiv:1201.4046 v1 · 2012-01-19 · 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{DSLJ7DR6L7Z63SS75YIWGADCRD}

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	2026-05-18T01:58:46.832996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c969f8e3e5ff3edca5fee1163006288dfb1287617a908dd26634ab9911126ce

Aliases

arxiv: 1201.4046 · arxiv_version: 1201.4046v1 · doi: 10.48550/arxiv.1201.4046 · pith_short_12: DSLJ7DR6L7Z6 · pith_short_16: DSLJ7DR6L7Z63SS7 · pith_short_8: DSLJ7DR6

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/DSLJ7DR6L7Z63SS75YIWGADCRD \
  | 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: 1c969f8e3e5ff3edca5fee1163006288dfb1287617a908dd26634ab9911126ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "562096ecb43702e6b865cdbf6481e608d8d82c30f3b5257b425e0d94c678139a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-19T12:52:53Z",
    "title_canon_sha256": "1189b67cee199cf6287f45ac5ad688a45311e766169dec8f4b423a4aa847e6ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4046",
    "kind": "arxiv",
    "version": 1
  }
}