Pith Number

pith:OXFXZLGU

pith:2001:OXFXZLGUTNQGDRG7QTFJPSEX4K

not attested not anchored not stored refs pending

White Dwarfs: Contributors and Tracers of the Galactic Dark-Matter Halo

L.V.E. Koopmans (Caltech), R.D. Blandford (Caltech)

arxiv:astro-ph/0106392 v2 · 2001-06-21 · 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{OXFXZLGUTNQGDRG7QTFJPSEX4K}

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	2026-05-18T00:37:17.852543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75cb7cacd49b6061c4df84ca97c897e2ba82d9474d5440d19aaf29c47ba3a7db

Aliases

arxiv: astro-ph/0106392 · arxiv_version: astro-ph/0106392v2 · doi: 10.48550/arxiv.astro-ph/0106392 · pith_short_12: OXFXZLGUTNQG · pith_short_16: OXFXZLGUTNQGDRG7 · pith_short_8: OXFXZLGU

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/OXFXZLGUTNQGDRG7QTFJPSEX4K \
  | 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: 75cb7cacd49b6061c4df84ca97c897e2ba82d9474d5440d19aaf29c47ba3a7db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32de08a55971c0ff971281cb00f0ffe228838895bbfcfc5802781ccd438ffc4d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-06-21T18:21:06Z",
    "title_canon_sha256": "15ed2982e9d241fe6d1b7cb5448b07b78028349d91250043a7a599a45c5e89c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0106392",
    "kind": "arxiv",
    "version": 2
  }
}