Pith Number

pith:ZG4A7SEV

pith:2012:ZG4A7SEVM34222NULJ5IOIC66M

not attested not anchored not stored refs pending

On the stability of tetrahedral relative equilibria in the positively curved 4-body problem

Carles Simo, Ernesto Perez-Chavela, Florin Diacu, Regina Martinez

arxiv:1204.5729 v1 · 2012-04-25 · 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{ZG4A7SEVM34222NULJ5IOIC66M}

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	2026-05-18T01:19:18.933230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9b80fc89566f9ad69b45a7a87205ef3005fe109b855324034fe56b0a8f978e6

Aliases

arxiv: 1204.5729 · arxiv_version: 1204.5729v1 · doi: 10.48550/arxiv.1204.5729 · pith_short_12: ZG4A7SEVM342 · pith_short_16: ZG4A7SEVM34222NU · pith_short_8: ZG4A7SEV

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/ZG4A7SEVM34222NULJ5IOIC66M \
  | 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: c9b80fc89566f9ad69b45a7a87205ef3005fe109b855324034fe56b0a8f978e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91c5dd9ec24c42a916b581518bcc05c7747e1c2ba1e4b6282fa9707187d99df0",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-04-25T19:14:56Z",
    "title_canon_sha256": "8f314507c9e9a5bb5d2ca876983eb8faa3d4752c2ab5c8728d2ff97b858fa730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5729",
    "kind": "arxiv",
    "version": 1
  }
}