Pith Number

pith:NYT4YLXS

pith:2008:NYT4YLXSM6EHQYERDLLBKSLION

not attested not anchored not stored refs pending

Composition of Primary Cosmic-Ray Nuclei at High Energies

A. Romero-Wolf, C. Hoppner, D. Muller, F. Gahbauer, J.R. Horandel, M. Ave, M. Ichimura, P.J. Boyle

arxiv:0801.0582 v1 · 2008-01-03 · astro-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{NYT4YLXSM6EHQYERDLLBKSLION}

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	2026-07-04T15:11:29.389540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e27cc2ef267887860911ad6154968737f44a4631ccc416a1585d5ce0cb46ab0

Aliases

arxiv: 0801.0582 · arxiv_version: 0801.0582v1 · doi: 10.48550/arxiv.0801.0582 · pith_short_12: NYT4YLXSM6EH · pith_short_16: NYT4YLXSM6EHQYER · pith_short_8: NYT4YLXS

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/NYT4YLXSM6EHQYERDLLBKSLION \
  | 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: 6e27cc2ef267887860911ad6154968737f44a4631ccc416a1585d5ce0cb46ab0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9cb68be42e0498b31c29a7dee1839e1de953a273f0891316741189df6c6d2f1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-01-03T20:25:24Z",
    "title_canon_sha256": "e8675536167ead06c159b87edc6cf6c60083bb52475e7d3664305643079d6ae4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.0582",
    "kind": "arxiv",
    "version": 1
  }
}