Pith Number

pith:FMXX62VC

pith:2003:FMXX62VCZSGAIIK5T7F3CVUEYZ

not attested not anchored not stored refs pending

Solutions of the Einstein Constraint Equations with Apparent Horizon Boundaries

David Maxwell

arxiv:gr-qc/0307117 v3 · 2003-07-29 · gr-qc · math.AP · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FMXX62VCZSGAIIK5T7F3CVUEYZ}

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	2026-05-18T01:39:22.934500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b2f7f6aa2cc8c04215d9fcbb15684c6722a7463b4e89083bb6a8f397b8e882f

Aliases

arxiv: gr-qc/0307117 · arxiv_version: gr-qc/0307117v3 · doi: 10.48550/arxiv.gr-qc/0307117 · pith_short_12: FMXX62VCZSGA · pith_short_16: FMXX62VCZSGAIIK5 · pith_short_8: FMXX62VC

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/FMXX62VCZSGAIIK5T7F3CVUEYZ \
  | 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: 2b2f7f6aa2cc8c04215d9fcbb15684c6722a7463b4e89083bb6a8f397b8e882f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e918907f1ba9692c61c6bc94f1f986c3a6a6e47f95d835e30420a08a5c6ba76",
    "cross_cats_sorted": [
      "math.AP",
      "math.DG"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2003-07-29T18:11:42Z",
    "title_canon_sha256": "1d2c8b070d109e9a409b7b53bfc52dc3b67782b4ac9b265ac18d8b14328d48e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0307117",
    "kind": "arxiv",
    "version": 3
  }
}