Pith Number

pith:M2EZ7JLG

pith:2012:M2EZ7JLG2KKDTRBBFSMO43L4FF

not attested not anchored not stored refs pending

Dark matter concentrations and a search for cores in Milky Way dwarf satellites

James S. Bullock, Joe Wolf

arxiv:1203.4240 v1 · 2012-03-19 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M2EZ7JLG2KKDTRBBFSMO43L4FF}

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	2026-05-18T03:59:39.561800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66899fa566d29439c4212c98ee6d7c2967eb8ab3986d47a1acb0170b69172e2b

Aliases

arxiv: 1203.4240 · arxiv_version: 1203.4240v1 · doi: 10.48550/arxiv.1203.4240 · pith_short_12: M2EZ7JLG2KKD · pith_short_16: M2EZ7JLG2KKDTRBB · pith_short_8: M2EZ7JLG

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/M2EZ7JLG2KKDTRBBFSMO43L4FF \
  | 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: 66899fa566d29439c4212c98ee6d7c2967eb8ab3986d47a1acb0170b69172e2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af7bd090f7accf8b85a6368ead1907c7b60996cb65662158fe446d8873c62336",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-19T20:02:16Z",
    "title_canon_sha256": "3f84798572b21ca43f69ef542a154b3627e10f818563f9b1964c92a8a0a08a79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4240",
    "kind": "arxiv",
    "version": 1
  }
}