Pith Number

pith:IGGAJWSD

pith:2018:IGGAJWSD3KBXJ4GHYTAEHYKHUB

not attested not anchored not stored refs pending

The influence of the neutron skin and the asymmetry energy on the $\pi^-/\pi^+$ ratio

A. Le Fevre, C. Hartnack, J. Aichelin, Y. Leifels

arxiv:1808.09868 v1 · 2018-08-29 · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IGGAJWSD3KBXJ4GHYTAEHYKHUB}

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	2026-05-18T00:06:54.172567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

418c04da43da8374f0c7c4c043e147a06869ca6f822eba93ad3ffd5ad0ac5158

Aliases

arxiv: 1808.09868 · arxiv_version: 1808.09868v1 · doi: 10.48550/arxiv.1808.09868 · pith_short_12: IGGAJWSD3KBX · pith_short_16: IGGAJWSD3KBXJ4GH · pith_short_8: IGGAJWSD

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/IGGAJWSD3KBXJ4GHYTAEHYKHUB \
  | 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: 418c04da43da8374f0c7c4c043e147a06869ca6f822eba93ad3ffd5ad0ac5158

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a936f8759e2395cd45079b40fff630d99e3ec6ec4a4c6be11353f45f4cb641ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2018-08-29T15:02:39Z",
    "title_canon_sha256": "0afed8172e21fb7147ebe4519a00a2537d16849d5472d3e56ac56caeffb0cc61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09868",
    "kind": "arxiv",
    "version": 1
  }
}