Pith Number

pith:7XYE2GRW

pith:2013:7XYE2GRWAWEM2MNB7WO2XSUZMY

not attested not anchored not stored refs pending

Constraints on the source of ultra-high energy cosmic rays using anisotropy vs chemical composition

Andrew Taylor, Eli Waxman, Martin Lemoine, Ruo-Yu Liu, Xiang-Yu Wang

arxiv:1308.5699 v2 · 2013-08-26 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7XYE2GRWAWEM2MNB7WO2XSUZMY}

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	2026-05-18T01:47:58.262184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdf04d1a360588cd31a1fd9dabca99663bb75fe2c5bb208a03845af1d2ce6dbf

Aliases

arxiv: 1308.5699 · arxiv_version: 1308.5699v2 · doi: 10.48550/arxiv.1308.5699 · pith_short_12: 7XYE2GRWAWEM · pith_short_16: 7XYE2GRWAWEM2MNB · pith_short_8: 7XYE2GRW

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/7XYE2GRWAWEM2MNB7WO2XSUZMY \
  | 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: fdf04d1a360588cd31a1fd9dabca99663bb75fe2c5bb208a03845af1d2ce6dbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3a33bc31415ebfb945cba93f5b1a574d5d364e07b3b58a517b505fdd2aea7e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-08-26T21:01:00Z",
    "title_canon_sha256": "dca72d9cb8fc1e57b3047245d18792fb3feeffd19dc9b501db44b6c15e232836"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5699",
    "kind": "arxiv",
    "version": 2
  }
}