Pith Number

pith:X3U3DTFM

pith:2013:X3U3DTFMKJFB4SWJT62ZCB6QWZ

not attested not anchored not stored refs pending

Reconcile the AMS-02 positron fraction and Fermi-LAT/HESS total $e^{\pm}$ spectra by the primary electron spectrum hardening

PMO), Qiang Yuan (IHEP, Xiao-Jun Bi (IHEP)

arxiv:1304.2687 v2 · 2013-04-09 · 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{X3U3DTFMKJFB4SWJT62ZCB6QWZ}

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	2026-05-18T02:51:57.126767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bee9b1ccac524a1e4ac99fb59107d0b650bacf5da619f2eabe5fecf9db0c2299

Aliases

arxiv: 1304.2687 · arxiv_version: 1304.2687v2 · doi: 10.48550/arxiv.1304.2687 · pith_short_12: X3U3DTFMKJFB · pith_short_16: X3U3DTFMKJFB4SWJ · pith_short_8: X3U3DTFM

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/X3U3DTFMKJFB4SWJT62ZCB6QWZ \
  | 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: bee9b1ccac524a1e4ac99fb59107d0b650bacf5da619f2eabe5fecf9db0c2299

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb92f7938002af818e40959354401e3185b92a15d5b9b09016397874e67da3e1",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-04-09T18:23:28Z",
    "title_canon_sha256": "08e2d6ff46d990891641c26225e634ab6776def45ec5d2fd9e7cc743e1af712e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2687",
    "kind": "arxiv",
    "version": 2
  }
}