Pith Number

pith:SDWLUCDT

pith:2014:SDWLUCDTBCVB5D7AOBOTK37C6Z

not attested not anchored not stored refs pending

Before the first supernova: combined effects of HII regions and winds on molecular clouds

B. Ercolano, I.A. Bonnell, J. E. Dale, J. Ngoumou

arxiv:1404.6102 v1 · 2014-04-24 · 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{SDWLUCDTBCVB5D7AOBOTK37C6Z}

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	2026-05-18T01:43:25.415196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90ecba087308aa1e8fe0705d356fe2f65e31fd18c444dddb9c4dc6a6dbcebeba

Aliases

arxiv: 1404.6102 · arxiv_version: 1404.6102v1 · doi: 10.48550/arxiv.1404.6102 · pith_short_12: SDWLUCDTBCVB · pith_short_16: SDWLUCDTBCVB5D7A · pith_short_8: SDWLUCDT

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/SDWLUCDTBCVB5D7AOBOTK37C6Z \
  | 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: 90ecba087308aa1e8fe0705d356fe2f65e31fd18c444dddb9c4dc6a6dbcebeba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df9f424cdcbd707b3b994093dae8a5fb0f3ccc2fc917afaa584009bc3440ecbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-04-24T12:23:21Z",
    "title_canon_sha256": "ed775bf847545782795547e1bff0fe70db625e633de05b8eb7a3df835a31805d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6102",
    "kind": "arxiv",
    "version": 1
  }
}