Pith Number

pith:EMI2ZS4L

pith:2011:EMI2ZS4LEDIMMJ2YLMTMRAPJK5

not attested not anchored not stored refs pending

On the point source approximation of nearby cosmic-ray sources

J\"org R. H\"orandel (RU Nijmegen), Satyendra Thoudam

arxiv:1109.5588 v1 · 2011-09-26 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EMI2ZS4LEDIMMJ2YLMTMRAPJK5}

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	2026-05-18T02:00:23.509188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2311accb8b20d0c627585b26c881e957616e2d0bd9ec48898ae898bad5d74518

Aliases

arxiv: 1109.5588 · arxiv_version: 1109.5588v1 · doi: 10.48550/arxiv.1109.5588 · pith_short_12: EMI2ZS4LEDIM · pith_short_16: EMI2ZS4LEDIMMJ2Y · pith_short_8: EMI2ZS4L

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/EMI2ZS4LEDIMMJ2YLMTMRAPJK5 \
  | 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: 2311accb8b20d0c627585b26c881e957616e2d0bd9ec48898ae898bad5d74518

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a81efcd15dd4370a4858fc632c1a37a0168c014194bbf803fe8d39a0df52df3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-26T14:51:33Z",
    "title_canon_sha256": "b3493761a1e11a37d4fbf3aacae75a0c79abace104679a3b82d1f7bb10f5cc2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5588",
    "kind": "arxiv",
    "version": 1
  }
}