Pith Number

pith:IOXP2ZCT

pith:2008:IOXP2ZCTNXIRZRKTXAK5N3OQVE

not attested not anchored not stored refs pending

On the distribution of stellar masses in gamma-ray burst host galaxies

2), 3), D. Malesani (1), D. Watson (1), J. Gorosabel (4), J. Hjorth (1), J. M. Castro Cer\'on (1, J. P. U. Fynbo (1), M. J. Micha{\l}owski (1, M. Morales Calder\'on (5); ((1) Dark Cosmology Centre (NBI) Copenhagen; (2) Herschel Science Centre (ESA/ESAC) Madrid; (3) Institute for Astronomy (ROE) Edinburgh; (4) Instituto de Astrof\'isica de Andaluc\'ia (CSIC) Granada; (5) Spitzer Science Centre (Caltech) Pasadena)

arxiv:0803.2235 v3 · 2008-03-17 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IOXP2ZCTNXIRZRKTXAK5N3OQVE}

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	2026-05-18T04:40:54.821706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43aefd64536dd11cc553b815d6edd0a93bc361535fd8919a72b3319045e6ccaa

Aliases

arxiv: 0803.2235 · arxiv_version: 0803.2235v3 · doi: 10.48550/arxiv.0803.2235 · pith_short_12: IOXP2ZCTNXIR · pith_short_16: IOXP2ZCTNXIRZRKT · pith_short_8: IOXP2ZCT

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/IOXP2ZCTNXIRZRKTXAK5N3OQVE \
  | 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: 43aefd64536dd11cc553b815d6edd0a93bc361535fd8919a72b3319045e6ccaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "237ac1ba8899a1844bdc506a4cd5afd3b10fe6a0b7df62c4d7bda97a52fb75db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-03-17T11:31:41Z",
    "title_canon_sha256": "bc9b38e5f1c2714d52931219f137ffba300d05a5f5fd748cfecb0ddccdefeccd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.2235",
    "kind": "arxiv",
    "version": 3
  }
}