Pith Number

pith:Z5F4WFRL

pith:2002:Z5F4WFRLXE5HTERFGYJPOQSFYF

not attested not anchored not stored refs pending

The Distribution of Dark Matter in Galaxies: a Constant-Density Halo around DDO 47

A. Borriello, F. Walter, P. Salucci

arxiv:astro-ph/0206304 v2 · 2002-06-18 · 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{Z5F4WFRLXE5HTERFGYJPOQSFYF}

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	2026-07-04T16:30:14.021134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf4bcb162bb93a7992253612f74245c15d71472c33c19fd5edc21b4231ee9f81

Aliases

arxiv: astro-ph/0206304 · arxiv_version: astro-ph/0206304v2 · doi: 10.48550/arxiv.astro-ph/0206304 · pith_short_12: Z5F4WFRLXE5H · pith_short_16: Z5F4WFRLXE5HTERF · pith_short_8: Z5F4WFRL

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/Z5F4WFRLXE5HTERFGYJPOQSFYF \
  | 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: cf4bcb162bb93a7992253612f74245c15d71472c33c19fd5edc21b4231ee9f81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69a91d89e89de7485151f743c3b62c7e5714c0442946b16356182cd8cce65e65",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-06-18T10:54:47Z",
    "title_canon_sha256": "93d3fd835b3bccce8ff5c4a9d24300bb43227f6aeab4a11272c67e55a807a2df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0206304",
    "kind": "arxiv",
    "version": 2
  }
}