Pith Number

pith:W6L3WHRB

pith:2005:W6L3WHRBY7BG4GDSUJXC6HW6KZ

not attested not anchored not stored refs pending

A 3+1 perspective on null hypersurfaces and isolated horizons

CNRS / Observatoire de Paris), E. Gourgoulhon, J.L. Jaramillo (LUTH

arxiv:gr-qc/0503113 v2 · 2005-03-29 · gr-qc · astro-ph · 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{W6L3WHRBY7BG4GDSUJXC6HW6KZ}

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

3 papers in Pith

Entropic route to Brown-York tensor: A unified framework for null and timelike hypersurfaces

Horizon Multipole Moments of a Kerr Black Hole

Thermodynamics of dynamical black holes beyond perturbation theory

Receipt and verification

First computed	2026-05-18T04:36:20.166167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b797bb1e21c7c26e1872a26e2f1ede564eda687e2a26682c45afa70aec11596f

Aliases

arxiv: gr-qc/0503113 · arxiv_version: gr-qc/0503113v2 · doi: 10.48550/arxiv.gr-qc/0503113 · pith_short_12: W6L3WHRBY7BG · pith_short_16: W6L3WHRBY7BG4GDS · pith_short_8: W6L3WHRB

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/W6L3WHRBY7BG4GDSUJXC6HW6KZ \
  | 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: b797bb1e21c7c26e1872a26e2f1ede564eda687e2a26682c45afa70aec11596f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f192de4429abc03d3b813432bd77f8ccdbe916f6e07d60becb8d6f8d1404d3f9",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-03-29T14:05:22Z",
    "title_canon_sha256": "df2b14d7fc0919badbbcd821f7c791d9489284e7098c2289dd44cedff5c81663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0503113",
    "kind": "arxiv",
    "version": 2
  }
}