Pith Number

pith:FECN7TNL

pith:2014:FECN7TNLQNZ2UOV6SQWSLYQ7NW

not attested not anchored not stored refs pending

Compact stars with a small electric charge: the limiting radius to mass relation and the maximum mass for incompressible matter

Francisco J. Lopes, Gon\c{c}alo Quinta, Jos\'e P. S. Lemos, Vilson T. Zanchin

arxiv:1408.1400 v2 · 2014-08-06 · astro-ph.SR · gr-qc · hep-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{FECN7TNLQNZ2UOV6SQWSLYQ7NW}

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	2026-05-18T01:18:23.553366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2904dfcdab8373aa3abe942d25e21f6dbe3804e23024de3570849754e35d64e6

Aliases

arxiv: 1408.1400 · arxiv_version: 1408.1400v2 · doi: 10.48550/arxiv.1408.1400 · pith_short_12: FECN7TNLQNZ2 · pith_short_16: FECN7TNLQNZ2UOV6 · pith_short_8: FECN7TNL

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/FECN7TNLQNZ2UOV6SQWSLYQ7NW \
  | 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: 2904dfcdab8373aa3abe942d25e21f6dbe3804e23024de3570849754e35d64e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43d74a434565ae9f3666b2c334b0e27ef415cbf316625d744fbac45c6c5570fe",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-08-06T20:00:15Z",
    "title_canon_sha256": "d258ee147bd1babd48f5e983983bd73dac534883e906a1d27c6ceb988a0082bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1400",
    "kind": "arxiv",
    "version": 2
  }
}