Pith Number

pith:4HLGX4JF

pith:2013:4HLGX4JFYN3WTRWNKRCPXTNSDK

not attested not anchored not stored refs pending

Line Emission from Radiation-Pressurized HII Region II: Dynamics and Population Synthesis

Alexander G. G. M. Tielens (Leiden), Christopher D. Matzner (U of Toronto), Mark R. Krumholz (UCSC), Sherry C. C. Yeh (U of Toronto), Silvia Verdolini (Leiden)

arxiv:1303.4737 v1 · 2013-03-19 · astro-ph.CO · 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{4HLGX4JFYN3WTRWNKRCPXTNSDK}

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	2026-05-18T01:51:00.584384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1d66bf125c37769c6cd5444fbcdb21a8b230fcef1caa2184deb874db0f5ec75

Aliases

arxiv: 1303.4737 · arxiv_version: 1303.4737v1 · doi: 10.48550/arxiv.1303.4737 · pith_short_12: 4HLGX4JFYN3W · pith_short_16: 4HLGX4JFYN3WTRWN · pith_short_8: 4HLGX4JF

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/4HLGX4JFYN3WTRWNKRCPXTNSDK \
  | 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: e1d66bf125c37769c6cd5444fbcdb21a8b230fcef1caa2184deb874db0f5ec75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ac59bb82654a965f7ed344c5dc94f00e4f8aac15ee3c81c80a167e5f17698ae",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-19T20:00:03Z",
    "title_canon_sha256": "9ba9e90fee288144a54c7805c0bf8fea8357cfe08ee1e289fad05325b550d960"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4737",
    "kind": "arxiv",
    "version": 1
  }
}