Pith Number

pith:GMOG3UZJ

pith:2008:GMOG3UZJRXK3QQARZV7R7VTJZL

not attested not anchored not stored refs pending

Fluorescent excitation of Balmer lines in gaseous nebulae: case D

G. J. Ferland (Univ. Kentucky), M. Cervino (IAA-Csic), R. Gonzalez Delgado (IAA-CSIC), R. L. Porter (Univ. Kentucky), S. Simon-Diaz (OPM), V. Luridiana (IAA-CSIC)

arxiv:0810.5556 v1 · 2008-10-30 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GMOG3UZJRXK3QQARZV7R7VTJZL}

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	2026-05-18T04:29:25.565848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

331c6dd3298dd5b84011cd7f1fd669caca24f501903246134ae97ef6dc997456

Aliases

arxiv: 0810.5556 · arxiv_version: 0810.5556v1 · doi: 10.48550/arxiv.0810.5556 · pith_short_12: GMOG3UZJRXK3 · pith_short_16: GMOG3UZJRXK3QQAR · pith_short_8: GMOG3UZJ

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/GMOG3UZJRXK3QQARZV7R7VTJZL \
  | 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: 331c6dd3298dd5b84011cd7f1fd669caca24f501903246134ae97ef6dc997456

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca10cb7d0893302a43c354de3b96c230ea1917c1d98141df5c42b155421d66fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-30T20:00:15Z",
    "title_canon_sha256": "338c7e480735f62043ce442aab02b494d47ed2976732f10b82b6b21e1b21e630"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.5556",
    "kind": "arxiv",
    "version": 1
  }
}