Pith Number

pith:S4JGUNCQ

pith:2015:S4JGUNCQ6BI7L3QCFE2IL6QMDP

not attested not anchored not stored refs pending

Cosmic rays: the spectrum and chemical composition from $10^{10}$ to $10^{20}$ eV

C. J. Todero Peixoto, Peter L. Biermann, Vitor de Souza

arxiv:1502.00305 v1 · 2015-02-01 · 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{S4JGUNCQ6BI7L3QCFE2IL6QMDP}

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	2026-05-18T01:35:49.269614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97126a3450f051f5ee02293485fa0c1bd976265e44aa76a980e3933fefacfd78

Aliases

arxiv: 1502.00305 · arxiv_version: 1502.00305v1 · doi: 10.48550/arxiv.1502.00305 · pith_short_12: S4JGUNCQ6BI7 · pith_short_16: S4JGUNCQ6BI7L3QC · pith_short_8: S4JGUNCQ

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/S4JGUNCQ6BI7L3QCFE2IL6QMDP \
  | 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: 97126a3450f051f5ee02293485fa0c1bd976265e44aa76a980e3933fefacfd78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ecf30eb40ce88170c03ef11207d0e70ab1cf447d80063cf0afa2aab3ed52697",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-02-01T20:31:53Z",
    "title_canon_sha256": "cc8ea69025f1fd6d3778256ce5bb2198f9042121dd29c7cd71139262590e0887"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00305",
    "kind": "arxiv",
    "version": 1
  }
}