Pith Number

pith:CQQU3MWB

pith:2011:CQQU3MWBYT35DU42JZCBA7L56F

not attested not anchored not stored refs pending

On the center of mass in general relativity

Lan-Hsuan Huang

arxiv:1101.0456 v1 · 2011-01-03 · math.DG · 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{CQQU3MWBYT35DU42JZCBA7L56F}

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	2026-05-18T04:32:10.346529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14214db2c1c4f7d1d39a4e44107d7df16885ccdea8df6df3f7c8c6fe05b77ab3

Aliases

arxiv: 1101.0456 · arxiv_version: 1101.0456v1 · doi: 10.48550/arxiv.1101.0456 · pith_short_12: CQQU3MWBYT35 · pith_short_16: CQQU3MWBYT35DU42 · pith_short_8: CQQU3MWB

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/CQQU3MWBYT35DU42JZCBA7L56F \
  | 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: 14214db2c1c4f7d1d39a4e44107d7df16885ccdea8df6df3f7c8c6fe05b77ab3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3a210063c906efd4675980b68033193513d324debc242072dfb96247de056b6",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-01-03T05:56:50Z",
    "title_canon_sha256": "310f81427805b006f2b25eb41951b1c2814a27d8448864f6a7de4bc6ecac777a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0456",
    "kind": "arxiv",
    "version": 1
  }
}