Pith Number

pith:A7SCAPDK

pith:2011:A7SCAPDK6R3ZFO7WRJ6QTG4V7D

not attested not anchored not stored refs pending

Modelling neutral hydrogen in galaxies using cosmological hydrodynamical simulations

(2) Jodrell Bank Centre for Astrophysics, Alan R. Duffy (1), Australia, Claudio Dalla Vecchia (4), C. M. Booth (3), Germany), Joop Schaye (3) ((1) ICRAR, Leiden University, Richard A. Battye (2), Scott T. Kay (2), The Netherlands (4) Max Planck Institute for Extraterrestial Physics, The University of Manchester, U.K. (3) Leiden Observatory, University of Western Australia

arxiv:1107.3720 v2 · 2011-07-19 · 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{A7SCAPDK6R3ZFO7WRJ6QTG4V7D}

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	2026-05-18T03:58:04.512975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07e4203c6af47792bbf68a7d099b95f8dabc059a610d3e3378d07f5da3ae8e92

Aliases

arxiv: 1107.3720 · arxiv_version: 1107.3720v2 · doi: 10.48550/arxiv.1107.3720 · pith_short_12: A7SCAPDK6R3Z · pith_short_16: A7SCAPDK6R3ZFO7W · pith_short_8: A7SCAPDK

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/A7SCAPDK6R3ZFO7WRJ6QTG4V7D \
  | 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: 07e4203c6af47792bbf68a7d099b95f8dabc059a610d3e3378d07f5da3ae8e92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4db200fe44b4fa5ea9a2733695950a7e516e1c51886a5637789333fa4b2ea01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-19T14:12:03Z",
    "title_canon_sha256": "9b266b7a0d5a446af6907dfb4b2a36bd3a0dc7a261c2f7f2e0f3f76ed3941028"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3720",
    "kind": "arxiv",
    "version": 2
  }
}