Pith Number

pith:AD47FQTR

pith:2008:AD47FQTRM2KHEHOMQYI7SFJA6I

not attested not anchored not stored refs pending

Galaxy morphology, kinematics and clustering in a hydrodynamic simulation of a LambdaCDM universe

(2) Max Planck Institute for Astrophysics, (3) Harvard CfA), Carnegie Mellon, Lars Hernquist (3) ((1) McWilliams Center for Cosmology, Rupert A.C. Croft (1), Tiziana Di Matteo (1), Volker Springel (2)

arxiv:0803.4003 v1 · 2008-03-27 · 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{AD47FQTRM2KHEHOMQYI7SFJA6I}

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	2026-05-18T02:15:59.769655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00f9f2c2716694721dcc8611f91520f2204808923b1f8d60e55b9b186c4a0db8

Aliases

arxiv: 0803.4003 · arxiv_version: 0803.4003v1 · doi: 10.48550/arxiv.0803.4003 · pith_short_12: AD47FQTRM2KH · pith_short_16: AD47FQTRM2KHEHOM · pith_short_8: AD47FQTR

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/AD47FQTRM2KHEHOMQYI7SFJA6I \
  | 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: 00f9f2c2716694721dcc8611f91520f2204808923b1f8d60e55b9b186c4a0db8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8979de981280fc4caa8cc1dbc0957dd3348de0bf59f2d1325f5067a7ce7c368",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-03-27T20:06:49Z",
    "title_canon_sha256": "d8f312b8b43ab8b754332fa3b0a85d0acacc34bd8348a4eaab16dabcd84a1b01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.4003",
    "kind": "arxiv",
    "version": 1
  }
}