Pith Number

pith:YZP7PUOM

pith:2001:YZP7PUOMKNLU64EUWCJ72436QS

not attested not anchored not stored refs pending

Does Dark Matter at the Center and in the Halo of the Galaxy Consist of the Same Particles?

2), (2) Rudjer Boskovic Institute, Faustin Munyaneza, Gary B. Tupper (1), Neven Bilic (1, Raoul D. Viollier (1) ((1) University of Cape Town, South Africa, Zagreb)

arxiv:astro-ph/0111536 v1 · 2001-11-28 · astro-ph · hep-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{YZP7PUOMKNLU64EUWCJ72436QS}

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	2026-07-04T14:11:40.119681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c65ff7d1cc53574f7094b093fd737e84860d8f77e6ed71d0949d70e82964423d

Aliases

arxiv: astro-ph/0111536 · arxiv_version: astro-ph/0111536v1 · doi: 10.48550/arxiv.astro-ph/0111536 · pith_short_12: YZP7PUOMKNLU · pith_short_16: YZP7PUOMKNLU64EU · pith_short_8: YZP7PUOM

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/YZP7PUOMKNLU64EUWCJ72436QS \
  | 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: c65ff7d1cc53574f7094b093fd737e84860d8f77e6ed71d0949d70e82964423d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "624b20e72fa50c4e057de7ce38d32cd25bab80456d112108b017a3d9b7af645a",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-11-28T17:58:51Z",
    "title_canon_sha256": "2f325e76f3e0759c3677248f0e4d6ba8443bc08a5ab7dfc3ef51c43e0e352447"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0111536",
    "kind": "arxiv",
    "version": 1
  }
}