Pith Number

pith:IJ27Z5ZF

pith:2013:IJ27Z5ZFBKVFSKT6EINNHNO3KU

not attested not anchored not stored refs pending

The size of most massive neutron stars may reveal its exotic cores

Neha Gupta, P. Arumugam

arxiv:1302.4586 v1 · 2013-02-19 · 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{IJ27Z5ZFBKVFSKT6EINNHNO3KU}

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	2026-05-18T03:33:12.842542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4275fcf7250aaa592a7e221ad3b5db552ab28f5f5f1dde9bc01cccf108fbab70

Aliases

arxiv: 1302.4586 · arxiv_version: 1302.4586v1 · doi: 10.48550/arxiv.1302.4586 · pith_short_12: IJ27Z5ZFBKVF · pith_short_16: IJ27Z5ZFBKVFSKT6 · pith_short_8: IJ27Z5ZF

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/IJ27Z5ZFBKVFSKT6EINNHNO3KU \
  | 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: 4275fcf7250aaa592a7e221ad3b5db552ab28f5f5f1dde9bc01cccf108fbab70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f144385ba4e010ca6210139be5ee8d05bca9c91f9e2abe4fa20b6016035865e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2013-02-19T12:11:44Z",
    "title_canon_sha256": "0f8511d4dd71f724ffaa0efeade32e9e104d6cd9d2db49a188ee5aed195fa763"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4586",
    "kind": "arxiv",
    "version": 1
  }
}