Pith Number

pith:2X2WFRMG

pith:2014:2X2WFRMGZXYVXYBK7ZDQZ2XPVO

not attested not anchored not stored refs pending

Can Dark Matter explain the Braking Index of Neutron Stars?

Chris Kouvaris, M. Angeles Perez-Garcia

arxiv:1401.3644 v1 · 2014-01-15 · astro-ph.SR · 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{2X2WFRMGZXYVXYBK7ZDQZ2XPVO}

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	2026-05-18T02:50:02.762682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5f562c586cdf15be02afe470ceaefabb6729cebc36c8cb5c86eb4c0a870a7a6

Aliases

arxiv: 1401.3644 · arxiv_version: 1401.3644v1 · doi: 10.48550/arxiv.1401.3644 · pith_short_12: 2X2WFRMGZXYV · pith_short_16: 2X2WFRMGZXYVXYBK · pith_short_8: 2X2WFRMG

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/2X2WFRMGZXYVXYBK7ZDQZ2XPVO \
  | 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: d5f562c586cdf15be02afe470ceaefabb6729cebc36c8cb5c86eb4c0a870a7a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cde2ba9747df89209dc64b41cf278ff972fa432f0cb34e46eec06124c843173",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-01-15T15:57:35Z",
    "title_canon_sha256": "a03971d2d67d487b4ae93862183a7ab6ed5f734d6c3e0cb040619f7306276739"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3644",
    "kind": "arxiv",
    "version": 1
  }
}