Pith Number

pith:PIAP4GCT

pith:2015:PIAP4GCTRKJSHV2VEMH6BRB2YD

not attested not anchored not stored refs pending

The Connection Between the Positron Fraction Anomaly and the Spectral Features in Galactic Cosmic-Ray Hadrons

F. Donato, N. Tomassetti

arxiv:1502.06150 v2 · 2015-02-21 · astro-ph.HE · 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{PIAP4GCTRKJSHV2VEMH6BRB2YD}

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	2026-05-18T02:18:42.582627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a00fe18538a9323d755230fe0c43ac0dbf773d4ce060f2c4d0c72f78d05d5e4

Aliases

arxiv: 1502.06150 · arxiv_version: 1502.06150v2 · doi: 10.48550/arxiv.1502.06150 · pith_short_12: PIAP4GCTRKJS · pith_short_16: PIAP4GCTRKJSHV2V · pith_short_8: PIAP4GCT

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/PIAP4GCTRKJSHV2VEMH6BRB2YD \
  | 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: 7a00fe18538a9323d755230fe0c43ac0dbf773d4ce060f2c4d0c72f78d05d5e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "664313563c732acc80ac6ecbc9dbb2e17d98fb8cbca50c5adc9a77d60e6acdaf",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-02-21T22:38:40Z",
    "title_canon_sha256": "e1d6899114d7fa3eddf1a176b4680fa8f2f721f7b7dd1273883616c1cf5395b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06150",
    "kind": "arxiv",
    "version": 2
  }
}