Pith Number

pith:EI2ONUK2

pith:2013:EI2ONUK2TK5Q3RWNKTGPVYJMQO

not attested not anchored not stored refs pending

Influence of neutron-skin thickness on $\pi^{-}/\pi^{+}$ ratio in Pb+Pb collisions

Bao-An Li, Gao-Feng Wei, Jun Xu, Lie-Wen Chen

arxiv:1309.7717 v2 · 2013-09-30 · nucl-th · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EI2ONUK2TK5Q3RWNKTGPVYJMQO}

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	2026-05-18T01:47:24.664276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2234e6d15a9abb0dc6cd54ccfae12c839b3179cd15ee8a7eb88f115c8bf72f7d

Aliases

arxiv: 1309.7717 · arxiv_version: 1309.7717v2 · doi: 10.48550/arxiv.1309.7717 · pith_short_12: EI2ONUK2TK5Q · pith_short_16: EI2ONUK2TK5Q3RWN · pith_short_8: EI2ONUK2

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/EI2ONUK2TK5Q3RWNKTGPVYJMQO \
  | 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: 2234e6d15a9abb0dc6cd54ccfae12c839b3179cd15ee8a7eb88f115c8bf72f7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1bd2f6fe8a9373ad7bdf288a8ff6cafe139abb1f9eeb904d366128edb95f50a",
    "cross_cats_sorted": [
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2013-09-30T04:04:24Z",
    "title_canon_sha256": "09ab9eed4fd1037db53f4d49e63b3c2ac2eeaede1ab64bebdfcc1e5d172672dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7717",
    "kind": "arxiv",
    "version": 2
  }
}