Pith Number

pith:SA5QY3SY

pith:2004:SA5QY3SYBBSYE6QOFM4F5CAG7J

not attested not anchored not stored refs pending

Dark halo baryons not in ancient halo white dwarfs

A.C. Robin, C. Reyle, H. J. Mc Cracken, J.-C. Cuillandre, M. Creze, O. Le Fevre, V. Mohan, Y. Mellier

arxiv:astro-ph/0403543 v2 · 2004-03-23 · 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{SA5QY3SYBBSYE6QOFM4F5CAG7J}

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	2026-07-04T16:43:27.387117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

903b0c6e580865827a0e2b385e8806fa775458b648691f26ab6b681a6de7ea60

Aliases

arxiv: astro-ph/0403543 · arxiv_version: astro-ph/0403543v2 · doi: 10.48550/arxiv.astro-ph/0403543 · pith_short_12: SA5QY3SYBBSY · pith_short_16: SA5QY3SYBBSYE6QO · pith_short_8: SA5QY3SY

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/SA5QY3SYBBSYE6QOFM4F5CAG7J \
  | 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: 903b0c6e580865827a0e2b385e8806fa775458b648691f26ab6b681a6de7ea60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7ccbc4492df94817847c5acb8fc58edfa02879e52253632c7c80f3404c72013",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-23T09:33:35Z",
    "title_canon_sha256": "12da1daf182d5000606d8e6653f4ae2d7eacc1f5ce7bb9ddbb9e4cde5f15543a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403543",
    "kind": "arxiv",
    "version": 2
  }
}