Pith Number

pith:6FDJNZ2J

pith:2021:6FDJNZ2JIEXIURE2JU2QF7PEHJ

not attested not anchored not stored refs pending

Construction of explicit symplectic integrators in general relativity. II. Reissner-Nordstrom black holes

Fuyao Liu, Wei Sun, Xin Wu, Ying Wang

arxiv:2103.02864 v1 · 2021-03-04 · gr-qc · astro-ph.IM · nlin.CD · physics.comp-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{6FDJNZ2JIEXIURE2JU2QF7PEHJ}

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

Mutual Information for particle pair and its application to diagnose Chaos in Curved Spacetime

Receipt and verification

First computed	2026-07-05T02:20:22.091976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f14696e749412e8a449a4d3502fde43a6d588e9506979293e412fe64a4f80c91

Aliases

arxiv: 2103.02864 · arxiv_version: 2103.02864v1 · doi: 10.48550/arxiv.2103.02864 · pith_short_12: 6FDJNZ2JIEXI · pith_short_16: 6FDJNZ2JIEXIURE2 · pith_short_8: 6FDJNZ2J

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/6FDJNZ2JIEXIURE2JU2QF7PEHJ \
  | 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: f14696e749412e8a449a4d3502fde43a6d588e9506979293e412fe64a4f80c91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d15a0ad4aec80073411ed41d55bd4022875f96bccd56e35847af8e32a4f8e0b0",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "nlin.CD",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-03-04T07:01:37Z",
    "title_canon_sha256": "75702b9925ab6c06e324b019a00fd7c8fef43015caa60789d44043a684891a79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.02864",
    "kind": "arxiv",
    "version": 1
  }
}