Pith Number

pith:J75JEONS

pith:2009:J75JEONS4KR3ZQCPKVTNMXML7N

not attested not anchored not stored refs pending

The Case Against Warm or Self-Interacting Dark Matter as Explanations for Cores in Low Surface Brightness Galaxies

Gregory D. Martinez, James S. Bullock, Manoj Kaplinghat, Rachel Kuzio de Naray

arxiv:0912.3518 v2 · 2009-12-17 · 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{J75JEONS4KR3ZQCPKVTNMXML7N}

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	2026-05-18T02:10:15.869843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ffa9239b2e2a3bcc04f5566d65d8bfb61ce652dd28ea6f87bfa37fb3af9670b

Aliases

arxiv: 0912.3518 · arxiv_version: 0912.3518v2 · doi: 10.48550/arxiv.0912.3518 · pith_short_12: J75JEONS4KR3 · pith_short_16: J75JEONS4KR3ZQCP · pith_short_8: J75JEONS

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/J75JEONS4KR3ZQCPKVTNMXML7N \
  | 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: 4ffa9239b2e2a3bcc04f5566d65d8bfb61ce652dd28ea6f87bfa37fb3af9670b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52c68851357a6d0a96872617cbcf8db0639679c38f38ca994671b2e7fd063de0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-17T20:53:57Z",
    "title_canon_sha256": "1cb956a99b9c1710b01f9016aed5e005296dfc5f54f2f534fa85f95917b6fa33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3518",
    "kind": "arxiv",
    "version": 2
  }
}