Pith Number

pith:PWQSJPN7

pith:2013:PWQSJPN7QGQVDZPPCLAJKGL7UE

not attested not anchored not stored refs pending

Galactic accretion and the outer structure of galaxies in the CDM model

Andrew P. Cooper, Carlos S. Frenk, Guinevere Kauffmann, Jing Wang, Michael Boylan-Kolchin, Qi Guo, Richard D'Souza, Simon D.M. White

arxiv:1303.6283 v3 · 2013-03-25 · 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{PWQSJPN7QGQVDZPPCLAJKGL7UE}

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	2026-05-18T01:50:53.044355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7da124bdbf81a151e5ef12c095197fa134cb40cfbd585d0f9b2268e9e75c33ce

Aliases

arxiv: 1303.6283 · arxiv_version: 1303.6283v3 · doi: 10.48550/arxiv.1303.6283 · pith_short_12: PWQSJPN7QGQV · pith_short_16: PWQSJPN7QGQVDZPP · pith_short_8: PWQSJPN7

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/PWQSJPN7QGQVDZPPCLAJKGL7UE \
  | 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: 7da124bdbf81a151e5ef12c095197fa134cb40cfbd585d0f9b2268e9e75c33ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7b7deaaaf797a8766e830c9f9b9d2201aeaa721201a1d7498af3a6e62bee97b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-25T20:00:02Z",
    "title_canon_sha256": "7929d7ff5ea719256f371144bd855653a340167476ff2fb5cb44fa25fb6f1757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6283",
    "kind": "arxiv",
    "version": 3
  }
}