Pith Number

pith:TROSYWMI

pith:1997:TROSYWMI5LRSKF5YXZ3R5AV4DO

not attested not anchored not stored refs pending

The central density of a neutron star is unaffected by a binary companion at linear order in $\mu/R$

Patrick R. Brady, Scott A. Hughes

arxiv:gr-qc/9704019 v1 · 1997-04-08 · gr-qc · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TROSYWMI5LRSKF5YXZ3R5AV4DO}

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	2026-05-18T01:06:44.440721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c5d2c5988eae32517b8be771e82bc1b96efec51e408a4f8713c04e679e60e38

Aliases

arxiv: gr-qc/9704019 · arxiv_version: gr-qc/9704019v1 · doi: 10.48550/arxiv.gr-qc/9704019 · pith_short_12: TROSYWMI5LRS · pith_short_16: TROSYWMI5LRSKF5Y · pith_short_8: TROSYWMI

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/TROSYWMI5LRSKF5YXZ3R5AV4DO \
  | 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: 9c5d2c5988eae32517b8be771e82bc1b96efec51e408a4f8713c04e679e60e38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dbdcf861fe4361819cf11f81cfcb632c9162f1e925e4087a440cc83bb66103f",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-04-08T20:57:02Z",
    "title_canon_sha256": "f79371caab4c944d02c747855499a87473a95367d1d53d521f3a8c836e68c465"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9704019",
    "kind": "arxiv",
    "version": 1
  }
}