Pith Number

pith:BJOT255Z

pith:2019:BJOT255ZV4LV337BCEN5CLCB4B

not attested not anchored not stored refs pending

An equilibrium problem on the sphere with two equal charges

Arno B. J. Kuijlaars, Juan G. Criado del Rey

arxiv:1907.04801 v1 · 2019-07-10 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJOT255ZV4LV337BCEN5CLCB4B}

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	2026-05-17T23:40:56.711816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a5d3d77b9af175defe1111bd12c41e0598b4a73703a7ff30ad9ad8259f17556

Aliases

arxiv: 1907.04801 · arxiv_version: 1907.04801v1 · doi: 10.48550/arxiv.1907.04801 · pith_short_12: BJOT255ZV4LV · pith_short_16: BJOT255ZV4LV337B · pith_short_8: BJOT255Z

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/BJOT255ZV4LV337BCEN5CLCB4B \
  | 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: 0a5d3d77b9af175defe1111bd12c41e0598b4a73703a7ff30ad9ad8259f17556

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1827fb120c60055da3a73178ffdca2434740630d481458da0717504aa9f0762e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-07-10T15:39:13Z",
    "title_canon_sha256": "253390a9d3f1df06ca9b71f8d922d7d530c7754d79b2fa85b80a4c7073b1efc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04801",
    "kind": "arxiv",
    "version": 1
  }
}