Pith Number

pith:SPKVHEVH

pith:2013:SPKVHEVHASCEPVKGZZJISKE7ZL

not attested not anchored not stored refs pending

Implications of the AMS-02 positron fraction in cosmic rays

Guo-Ming Chen, Qiang Yuan, Su-Jie Lin, Xiao-Jun Bi, Xinmin Zhang, Yi-Qing Guo

arxiv:1304.1482 v3 · 2013-04-04 · 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{SPKVHEVHASCEPVKGZZJISKE7ZL}

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	2026-05-18T02:47:50.975177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93d55392a7048447d546ce5289289fcac3b48a0528d527206570f013edb99af3

Aliases

arxiv: 1304.1482 · arxiv_version: 1304.1482v3 · doi: 10.48550/arxiv.1304.1482 · pith_short_12: SPKVHEVHASCE · pith_short_16: SPKVHEVHASCEPVKG · pith_short_8: SPKVHEVH

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/SPKVHEVHASCEPVKGZZJISKE7ZL \
  | 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: 93d55392a7048447d546ce5289289fcac3b48a0528d527206570f013edb99af3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e24cbfde8220857e82047b8c66cfb6df3b0871ace831a10f3085917975150d9e",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-04-04T19:41:30Z",
    "title_canon_sha256": "5c192ab2ae8fe48e0446726b7e9d9afebf17307a7ab5a9a0f35aef40760cfe62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1482",
    "kind": "arxiv",
    "version": 3
  }
}