Pith Number

pith:WZ5TK4PL

pith:2009:WZ5TK4PLDGSB2DMQRRQRYQIR52

not attested not anchored not stored refs pending

Cold Dark Matter Isocurvature Perturbations: Constraints and Model Selection

Anthony Challinor, Ian Sollom, Michael P. Hobson

arxiv:0903.5257 v2 · 2009-03-30 · 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{WZ5TK4PLDGSB2DMQRRQRYQIR52}

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.

Cited by

1 paper in Pith

Quasinormal Modes of Schwarzschild Black Holes in the Dehnen-(1, 4, 5/2) Type Dark Matter Halos

Receipt and verification

First computed	2026-07-04T15:45:39.381978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b67b3571eb19a41d0d908c611c4111ee8775f8fd87d9da41e3c3fe3f758c175a

Aliases

arxiv: 0903.5257 · arxiv_version: 0903.5257v2 · doi: 10.48550/arxiv.0903.5257 · pith_short_12: WZ5TK4PLDGSB · pith_short_16: WZ5TK4PLDGSB2DMQ · pith_short_8: WZ5TK4PL

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/WZ5TK4PLDGSB2DMQRRQRYQIR52 \
  | 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: b67b3571eb19a41d0d908c611c4111ee8775f8fd87d9da41e3c3fe3f758c175a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd88c8f4871618d9c0cea957ce6b3a7acb5489bf664f01c8c07d6fc6c2913de5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-30T16:22:30Z",
    "title_canon_sha256": "ce051e4087319d9779fde431e7945cea8a1297037d1c5702d1f29edea7b26bf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.5257",
    "kind": "arxiv",
    "version": 2
  }
}