Pith Number

pith:7BFXOAGH

pith:2012:7BFXOAGH5O5BKSAOCW5AKJP2P5

not attested not anchored not stored refs pending

The non-existence of centre-of-mass and linear-momentum integrals in the curved N-body problem

Florin Diacu

arxiv:1202.4739 v1 · 2012-02-21 · math.DS · math-ph · 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{7BFXOAGH5O5BKSAOCW5AKJP2P5}

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	2026-05-18T03:11:47.283551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f84b7700c7ebba15480e15ba0525fa7f56e7502f49da2a385974bd7d8b8b6239

Aliases

arxiv: 1202.4739 · arxiv_version: 1202.4739v1 · doi: 10.48550/arxiv.1202.4739 · pith_short_12: 7BFXOAGH5O5B · pith_short_16: 7BFXOAGH5O5BKSAO · pith_short_8: 7BFXOAGH

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/7BFXOAGH5O5BKSAOCW5AKJP2P5 \
  | 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: f84b7700c7ebba15480e15ba0525fa7f56e7502f49da2a385974bd7d8b8b6239

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36c078fcc8696d6f048261d623db8d18281eb5ce253c53c6e240c23c1f888289",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-02-21T19:59:42Z",
    "title_canon_sha256": "14ca817567896f9d719e9b99c56c4a358e2a5ba5cabaa360ee5ab55b0b269c62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4739",
    "kind": "arxiv",
    "version": 1
  }
}