Pith Number

pith:Z2EKTP7Y

pith:2013:Z2EKTP7Y2DAAGYLGKK3NNKLVDI

not attested not anchored not stored refs pending

The Pa{\alpha} Luminosity Function of HII Regions in Nearby Galaxies from HST/NICMOS

Daniela Calzetti (UMass), Eva Schinnerer (MPIA), Fumi Egusa (ISAS, Guilin Liu (UMass, JAXA), JHU), Nicholas Z. Scoville (Caltech), Robert C. Kennicutt Jr. (IoA Cambridge), Shinya Komugi (ALMA), Yoshiaki Sofue (Meisei U)

arxiv:1305.6317 v1 · 2013-05-27 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z2EKTP7Y2DAAGYLGKK3NNKLVDI}

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	2026-05-18T03:14:30.256652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce88a9bff8d0c003616652b6d6a9751a2ec8b7f22b03d16df51ec32f26edee81

Aliases

arxiv: 1305.6317 · arxiv_version: 1305.6317v1 · doi: 10.48550/arxiv.1305.6317 · pith_short_12: Z2EKTP7Y2DAA · pith_short_16: Z2EKTP7Y2DAAGYLG · pith_short_8: Z2EKTP7Y

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/Z2EKTP7Y2DAAGYLGKK3NNKLVDI \
  | 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: ce88a9bff8d0c003616652b6d6a9751a2ec8b7f22b03d16df51ec32f26edee81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0301627d3aede423fe31c321df18659f7d6ec663760dae0a75ce5fb4a1bfce5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-27T20:00:04Z",
    "title_canon_sha256": "ad8acec0e298a718d577f03456ef49546334a90c1960acd8eaf28ae6eef4f101"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6317",
    "kind": "arxiv",
    "version": 1
  }
}