Pith Number

pith:IPIX623Z

pith:2001:IPIX623ZQDT74RJS5NX23Q6LVC

not attested not anchored not stored refs pending

Constraints on the radial mass distribution of dark matter halos from rotation curves

Stacy McGaugh (University of Maryland)

arxiv:astro-ph/0107490 v1 · 2001-07-25 · 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{IPIX623ZQDT74RJS5NX23Q6LVC}

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	2026-05-18T00:37:00.960935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43d17f6b7980e7fe4532eb6fadc3cba8a6add213dee254e9c3dfbdcff2175249

Aliases

arxiv: astro-ph/0107490 · arxiv_version: astro-ph/0107490v1 · doi: 10.48550/arxiv.astro-ph/0107490 · pith_short_12: IPIX623ZQDT7 · pith_short_16: IPIX623ZQDT74RJS · pith_short_8: IPIX623Z

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/IPIX623ZQDT74RJS5NX23Q6LVC \
  | 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: 43d17f6b7980e7fe4532eb6fadc3cba8a6add213dee254e9c3dfbdcff2175249

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d08b5bec2b7d82197df83eca59fd83ddc9e0c71672e2d401cc2c22e49a296025",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-25T20:46:41Z",
    "title_canon_sha256": "b6c8c5930fe1519870a604587e26940d11a072fa826020d96732d622a28dc0d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107490",
    "kind": "arxiv",
    "version": 1
  }
}