Pith Number

pith:LP77NWVZ

pith:2004:LP77NWVZUTMNNCK2PBI6A7K6V3

not attested not anchored not stored refs pending

Dark matter in elliptical galaxies: II. Estimating the mass within the virial radius

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

arxiv:astro-ph/0405491 v4 · 2004-05-25 · 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{LP77NWVZUTMNNCK2PBI6A7K6V3}

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	2026-05-18T02:31:27.903386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bfff6dab9a4d8d6895a7851e07d5eaed1b08a5ac6497c48941026a7d59f1930

Aliases

arxiv: astro-ph/0405491 · arxiv_version: astro-ph/0405491v4 · doi: 10.48550/arxiv.astro-ph/0405491 · pith_short_12: LP77NWVZUTMN · pith_short_16: LP77NWVZUTMNNCK2 · pith_short_8: LP77NWVZ

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/LP77NWVZUTMNNCK2PBI6A7K6V3 \
  | 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: 5bfff6dab9a4d8d6895a7851e07d5eaed1b08a5ac6497c48941026a7d59f1930

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2efd74478dcd2de9e27f977bb260d172d9613349da73ac3da29cccdcf2461fa2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-25T16:02:13Z",
    "title_canon_sha256": "6dc672c5e2f9a8f5630bf3a4a15b0eba572ac6bd5aa6102a779471c1f5c46590"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405491",
    "kind": "arxiv",
    "version": 4
  }
}