Pith Number

pith:Q4HXJQF5

pith:2009:Q4HXJQF5F5YIEWO32T6VCIAEOK

not attested not anchored not stored refs pending

Galaxies-Intergalactic Medium Interaction Calculation --I. Galaxy formation as a function of large-scale environment

2), 3), Adrian Jenkins (1), Carlos S. Frenk (1), Claudio Dalla Vecchia (4), John A. Peacock (6) Frazer R. Pearce (7), Joop Schaye (4), Peter A. Thomas (9), Robert A. Crain (1, Robert P. C. Wiersma (4) ((1) - ICC, Scott T. Kay (5), Simon D. M. White (8), Swinburne University of Technology; (3) - University of Antwerp; (4) - Leiden Observatory; (5) - Jodrell Bank, Tom Theuns (1, University of Durham; (2) - CAS, University of Edinburgh; (7) - University of Nottingham; (8) - MPA Garching; (9) - University of Sussex), University of Manchester; (6) - IfA, Vincent R. Eke (1), Volker Springel (8)

arxiv:0906.4350 v1 · 2009-06-23 · astro-ph.CO · 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{Q4HXJQF5F5YIEWO32T6VCIAEOK}

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	2026-05-18T04:19:13.437127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

870f74c0bd2f708259dbd4fd5120047283f224fad65c2f2a959cb0847a6054a3

Aliases

arxiv: 0906.4350 · arxiv_version: 0906.4350v1 · doi: 10.48550/arxiv.0906.4350 · pith_short_12: Q4HXJQF5F5YI · pith_short_16: Q4HXJQF5F5YIEWO3 · pith_short_8: Q4HXJQF5

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/Q4HXJQF5F5YIEWO32T6VCIAEOK \
  | 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: 870f74c0bd2f708259dbd4fd5120047283f224fad65c2f2a959cb0847a6054a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "667769bb388a0c155987ea180d0fc7de23066acc9167ef5ce79d336ddcbd1179",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-23T20:19:11Z",
    "title_canon_sha256": "3dd57d23d8ff29cfc54adc85b4f4bce58ec581e1c81e218f6974a4b970051f0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4350",
    "kind": "arxiv",
    "version": 1
  }
}