Pith Number

pith:IRNWN2XT

pith:2013:IRNWN2XT37YUMAE26KZKMQ2TJL

not attested not anchored not stored refs pending

On the Contribution of Pulsars to the Positron Fraction in Cosmic Rays

A. Treves, D. Rozza, M. Gervasi, P.G. Rancoita, S. Della Torre

arxiv:1307.5197 v1 · 2013-07-19 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IRNWN2XT37YUMAE26KZKMQ2TJL}

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	2026-05-18T03:18:05.456810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

445b66eaf3dff146009af2b2a643534aff6df899b520637053c5868289155b0c

Aliases

arxiv: 1307.5197 · arxiv_version: 1307.5197v1 · doi: 10.48550/arxiv.1307.5197 · pith_short_12: IRNWN2XT37YU · pith_short_16: IRNWN2XT37YUMAE2 · pith_short_8: IRNWN2XT

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/IRNWN2XT37YUMAE26KZKMQ2TJL \
  | 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: 445b66eaf3dff146009af2b2a643534aff6df899b520637053c5868289155b0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c95d5c4a72a77c9d7799ae2c07cd33abc94b6055e90074cd41811e136c4c2b3e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-07-19T12:26:57Z",
    "title_canon_sha256": "057207c0f02c804b6d243964c28b29699bc8096b6067e697d1bcdd35c300c13b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5197",
    "kind": "arxiv",
    "version": 1
  }
}