Pith Number

pith:2GALIKFY

pith:2004:2GALIKFYEVX2K52PJG64EN7Z4B

not attested not anchored not stored refs pending

Dark matter in elliptical galaxies: I. Is the total mass density profile of the NFW form or even steeper?

(2) CAMK, Ewa L. Lokas (2) ((1) IAP, France, Gary A. Mamon (1), Paris, Poland), Warsaw

arxiv:astro-ph/0405466 v4 · 2004-05-24 · 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{2GALIKFYEVX2K52PJG64EN7Z4B}

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	2026-05-18T02:31:27.909749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d180b428b8256fa5774f49bdc237f9e04d4dc6823376c24a8d57f7b324552e0a

Aliases

arxiv: astro-ph/0405466 · arxiv_version: astro-ph/0405466v4 · doi: 10.48550/arxiv.astro-ph/0405466 · pith_short_12: 2GALIKFYEVX2 · pith_short_16: 2GALIKFYEVX2K52P · pith_short_8: 2GALIKFY

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/2GALIKFYEVX2K52PJG64EN7Z4B \
  | 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: d180b428b8256fa5774f49bdc237f9e04d4dc6823376c24a8d57f7b324552e0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "006cd215f24e6e1a46936f80493ac8c730eb4ee389406feaf3d95fdbb1f16547",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-24T15:23:12Z",
    "title_canon_sha256": "bb6b814f5abdf41aa41aaeb66acbd9aaede6d768066569ee60bb89fc533d765c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405466",
    "kind": "arxiv",
    "version": 4
  }
}