Pith Number

pith:GGRXC32X

pith:2018:GGRXC32XGMBQ26JDXQOYTWZCA5

not attested not anchored not stored refs pending

On center of mass and foliations by constant spacetime mean curvature surfaces for isolated systems in General Relativity

Anna Sakovich, Carla Cederbaum

arxiv:1901.00028 v1 · 2018-12-31 · math.AP · gr-qc · math-ph · math.DG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GGRXC32XGMBQ26JDXQOYTWZCA5}

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	2026-05-17T23:57:07.074946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31a3716f5733030d7923bc1d89db220772ae2a6ea91accfca708937d99a7ad61

Aliases

arxiv: 1901.00028 · arxiv_version: 1901.00028v1 · doi: 10.48550/arxiv.1901.00028 · pith_short_12: GGRXC32XGMBQ · pith_short_16: GGRXC32XGMBQ26JD · pith_short_8: GGRXC32X

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/GGRXC32XGMBQ26JDXQOYTWZCA5 \
  | 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: 31a3716f5733030d7923bc1d89db220772ae2a6ea91accfca708937d99a7ad61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4da2335d7f3278c99243261de8615d04dc83e8230d5194d46a3486a7ccf93a5a",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-12-31T19:40:51Z",
    "title_canon_sha256": "41dd48dfb7dda0814c1db0208e6c6806f4c73f7dc6aaf699158fa99bd33e5164"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00028",
    "kind": "arxiv",
    "version": 1
  }
}