Pith Number

pith:HV57Z7UK

pith:2019:HV57Z7UKQRH25YZB7FV6XLDCKD

not attested not anchored not stored refs pending

WARPFIELD-EMP: The Self-Consistent Prediction of Emission Lines from Evolving HII Regions in Dense Molecular Clouds

Daniel Rahner, Eric W. Pellegrini, Laurie Rousseau-Nepton, Ralf S. Klessen, Rodrigo Herrera-Camus, Simon C.O. Glover, Stefan Reissl

arxiv:1909.09651 v1 · 2019-09-20 · 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{HV57Z7UKQRH25YZB7FV6XLDCKD}

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	2026-07-05T01:08:49.920160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d7bfcfe8a844faee321f96bebac6250eef2fcefaa1fe91d9ffa4f29f5af8eb7

Aliases

arxiv: 1909.09651 · arxiv_version: 1909.09651v1 · doi: 10.48550/arxiv.1909.09651 · pith_short_12: HV57Z7UKQRH2 · pith_short_16: HV57Z7UKQRH25YZB · pith_short_8: HV57Z7UK

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/HV57Z7UKQRH25YZB7FV6XLDCKD \
  | 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: 3d7bfcfe8a844faee321f96bebac6250eef2fcefaa1fe91d9ffa4f29f5af8eb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f54b17aaad6d1dd25063a53ff6271394fae1dd2b28414abc546279d71cb722a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-09-20T18:00:12Z",
    "title_canon_sha256": "a93981f515faf9ae4fc63bef5622f394d924bf2c2a0181d5492e2642ef300456"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.09651",
    "kind": "arxiv",
    "version": 1
  }
}