Pith Number

pith:7MVXR5UD

pith:2012:7MVXR5UDT2GMA7ECVBRFGAQG77

not attested not anchored not stored refs pending

Nuclear symmetry energy and neutron skin thickness

M. Centelles, M. Warda, X. Roca-Maza, X. Vi\~nas

arxiv:1202.4612 v1 · 2012-02-21 · 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{7MVXR5UDT2GMA7ECVBRFGAQG77}

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	2026-05-18T04:01:50.261428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb2b78f6839e8cc07c82a862530206ffc537282035a621c59aba91eb1b416754

Aliases

arxiv: 1202.4612 · arxiv_version: 1202.4612v1 · doi: 10.48550/arxiv.1202.4612 · pith_short_12: 7MVXR5UDT2GM · pith_short_16: 7MVXR5UDT2GMA7EC · pith_short_8: 7MVXR5UD

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/7MVXR5UDT2GMA7ECVBRFGAQG77 \
  | 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: fb2b78f6839e8cc07c82a862530206ffc537282035a621c59aba91eb1b416754

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4ce29a167ba8628c9d7b5d8d8b2a1d34974521a6de73a55dc17e82792f87c95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2012-02-21T11:52:22Z",
    "title_canon_sha256": "acf18dc2e736a7edaa65f021dc32a95cebee019c532efb8f2058c8e1728b8715"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4612",
    "kind": "arxiv",
    "version": 1
  }
}