Pith Number

pith:MP4PP34M

pith:2013:MP4PP34MG2SZSMKGPL6SCMRWAV

not attested not anchored not stored refs pending

Double-Disk Dark Matter

Andrey Katz, JiJi Fan, Lisa Randall, Matthew Reece

arxiv:1303.1521 v2 · 2013-03-06 · astro-ph.CO · astro-ph.GA · astro-ph.HE · hep-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{MP4PP34MG2SZSMKGPL6SCMRWAV}

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	2026-05-18T03:05:26.217952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63f8f7ef8c36a59931467afd2132360566095aa078df951a4911f8df7d466ffd

Aliases

arxiv: 1303.1521 · arxiv_version: 1303.1521v2 · doi: 10.48550/arxiv.1303.1521 · pith_short_12: MP4PP34MG2SZ · pith_short_16: MP4PP34MG2SZSMKG · pith_short_8: MP4PP34M

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/MP4PP34MG2SZSMKGPL6SCMRWAV \
  | 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: 63f8f7ef8c36a59931467afd2132360566095aa078df951a4911f8df7d466ffd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0121cb417d6f9c124feaaae8ed1917ce4fdcee9ab7cd2f5bc6b56d29a2b881ba",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-06T21:00:01Z",
    "title_canon_sha256": "a21da6fd4c4c67344de4814f617b4cd3ced6f0f14774d13e0b3b834391f83b79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1521",
    "kind": "arxiv",
    "version": 2
  }
}