Pith Number

pith:ECRIZL2P

pith:2019:ECRIZL2P363O3FGJW3K4MJZ7X6

not attested not anchored not stored refs pending

Classifying Four-Body Convex Central Configurations

Gareth E. Roberts, Josep M. Cors, Montserrat Corbera

arxiv:1903.01684 v1 · 2019-03-05 · math.DS · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECRIZL2P363O3FGJW3K4MJZ7X6}

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	2026-05-17T23:39:45.010656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20a28caf4fdfb6ed94c9b6d5c6273fbfa418dbe455b9ee3664735f48109932d0

Aliases

arxiv: 1903.01684 · arxiv_version: 1903.01684v1 · doi: 10.48550/arxiv.1903.01684 · pith_short_12: ECRIZL2P363O · pith_short_16: ECRIZL2P363O3FGJ · pith_short_8: ECRIZL2P

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/ECRIZL2P363O3FGJW3K4MJZ7X6 \
  | 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: 20a28caf4fdfb6ed94c9b6d5c6273fbfa418dbe455b9ee3664735f48109932d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2b8aa3520d90cb76e4204818ba50b3ad6e4f1883edde3e87eea1965e457919c",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-03-05T05:56:38Z",
    "title_canon_sha256": "dec6bb5d79bd8b53be68f24eae5fff25f25b5cc896714bc728da167759330959"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01684",
    "kind": "arxiv",
    "version": 1
  }
}