Pith Number

pith:Q7PXGWRM

pith:2011:Q7PXGWRMSJ3XS34L4ITYNS65D2

not attested not anchored not stored refs pending

Nuclear matter symmetry energy and the symmetry energy coefficient in the mass formula

Lie-Wen Chen

arxiv:1101.5217 v2 · 2011-01-27 · nucl-th · astro-ph.SR · 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{Q7PXGWRMSJ3XS34L4ITYNS65D2}

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	2026-05-18T04:23:02.419123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87df735a2c9277796f8be22786cbdd1eb5667af6845bdc8acdc60e1958307814

Aliases

arxiv: 1101.5217 · arxiv_version: 1101.5217v2 · doi: 10.48550/arxiv.1101.5217 · pith_short_12: Q7PXGWRMSJ3X · pith_short_16: Q7PXGWRMSJ3XS34L · pith_short_8: Q7PXGWRM

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/Q7PXGWRMSJ3XS34L4ITYNS65D2 \
  | 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: 87df735a2c9277796f8be22786cbdd1eb5667af6845bdc8acdc60e1958307814

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b727ddb33b916ece34e2dbdf37e51ccf5d241112eaea869cffe04aaf2c3a5d7",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2011-01-27T07:16:11Z",
    "title_canon_sha256": "4a578c570f071ce18eaae69c47bc0ac8ef67f74093b293e041ec854e00a6d605"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5217",
    "kind": "arxiv",
    "version": 2
  }
}