Pith Number

pith:5X4NWPDJ

pith:2010:5X4NWPDJZ4A33HEIXOBABSF3GM

not attested not anchored not stored refs pending

Disentangling the metallicity and star formation history of HII galaxies through tailor-made models

Angeles I. Diaz (UAM), Enrique Perez-Montero (IAA-CSIC, Guillermo F. Hagele (UAM, LATT-OMP), Ruben Garcia-Benito (UAM), Univ. La Plata)

arxiv:1001.4828 v1 · 2010-01-27 · 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{5X4NWPDJZ4A33HEIXOBABSF3GM}

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	2026-05-18T02:09:29.442374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edf8db3c69cf01bd9c88bb8200c8bb3303777b3de40b142e29e024b9e7f963ad

Aliases

arxiv: 1001.4828 · arxiv_version: 1001.4828v1 · doi: 10.48550/arxiv.1001.4828 · pith_short_12: 5X4NWPDJZ4A3 · pith_short_16: 5X4NWPDJZ4A33HEI · pith_short_8: 5X4NWPDJ

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/5X4NWPDJZ4A33HEIXOBABSF3GM \
  | 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: edf8db3c69cf01bd9c88bb8200c8bb3303777b3de40b142e29e024b9e7f963ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3e2a5a854c0eb3c0280311ebdb8ef8feb7ea9b88d691013df932da8bbb21437",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-27T16:40:52Z",
    "title_canon_sha256": "0de3fe98a89a67d3347503378fb4cdc9557b5864b9319fbd06017b1e70a17cf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4828",
    "kind": "arxiv",
    "version": 1
  }
}