Pith Number

pith:HQXMGWFP

pith:1999:HQXMGWFPWJV3WPREN27372ORR3

not attested not anchored not stored refs pending

Robust evolution system for Numerical Relativity

A. Arbona, C. Bona, J. Masso, J. Stela

arxiv:gr-qc/9902053 v2 · 1999-02-18 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HQXMGWFPWJV3WPREN27372ORR3}

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.

Cited by

1 paper in Pith

Proca stars in excited states

Receipt and verification

First computed	2026-07-04T16:13:49.345224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c2ec358afb26bbb3e246ebfbfe9d18ef4fb80cf1b3e6ce56f99fae77ea8b8a2

Aliases

arxiv: gr-qc/9902053 · arxiv_version: gr-qc/9902053v2 · doi: 10.48550/arxiv.gr-qc/9902053 · pith_short_12: HQXMGWFPWJV3 · pith_short_16: HQXMGWFPWJV3WPRE · pith_short_8: HQXMGWFP

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/HQXMGWFPWJV3WPREN27372ORR3 \
  | 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: 3c2ec358afb26bbb3e246ebfbfe9d18ef4fb80cf1b3e6ce56f99fae77ea8b8a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7a87a49125619fe4ddd2c5a21c4eb042aa91f2447789e536580f2dab5bc5665",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-02-18T18:09:13Z",
    "title_canon_sha256": "db019e313cd32413f1ae08b078fd98151304195f52424e1903e0085e0fdc2e9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9902053",
    "kind": "arxiv",
    "version": 2
  }
}