Pith Number

pith:YVJ2FZ5Q

pith:2020:YVJ2FZ5QFARP3672XIBYJRNTMO

not attested not anchored not stored refs pending

Mapping the Escape Fraction of Ionizing Photons Using Resolved Stars: A Much Higher Escape Fraction for NGC 4214

Benjamin F. Williams, Daniel R. Weisz, Evan D. Skillman, Julianne J. Dalcanton, Karin M. Sandstrom, Karl D. Gordon, Karoline M. Gilbert, Morgan Fouesneau, Yumi Choi

arxiv:2009.01844 v1 · 2020-09-03 · 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{YVJ2FZ5QFARP3672XIBYJRNTMO}

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	2026-07-05T01:44:19.223515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c553a2e7b02822fdfbfaba0384c5b36396c5495c7463f17373dd737874de1294

Aliases

arxiv: 2009.01844 · arxiv_version: 2009.01844v1 · doi: 10.48550/arxiv.2009.01844 · pith_short_12: YVJ2FZ5QFARP · pith_short_16: YVJ2FZ5QFARP3672 · pith_short_8: YVJ2FZ5Q

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/YVJ2FZ5QFARP3672XIBYJRNTMO \
  | 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: c553a2e7b02822fdfbfaba0384c5b36396c5495c7463f17373dd737874de1294

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec643d152d843bf57dc47bd14284585df7e1b88e9e7cc25183905bd0a94e2eb4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-09-03T18:00:00Z",
    "title_canon_sha256": "e1bd02d67c713b97b9a210e606273c57e75b5f50ef45e17430fa5d7323cfa363"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.01844",
    "kind": "arxiv",
    "version": 1
  }
}