Pith Number

pith:EHPLM5NA

pith:2025:EHPLM5NAEU2OKP64WHEAIQMCOP

not attested not anchored not stored refs pending

Solution of the Ovals problem

CaGE), Emmanuel Tr\'elat (LJLL (UMR\_7598), Fr\'ed\'eric Jean (OC, Jochen Denzler, UMA), Yacine Chitour (L2S)

arxiv:2503.02431 v2 · 2025-03-04 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHPLM5NAEU2OKP64WHEAIQMCOP}

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	2026-07-05T10:51:34.164994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21deb675a02534e53fdcb1c804418273f151d56fbb82bca5eecf9e9a4bb63fcf

Aliases

arxiv: 2503.02431 · arxiv_version: 2503.02431v2 · doi: 10.48550/arxiv.2503.02431 · pith_short_12: EHPLM5NAEU2O · pith_short_16: EHPLM5NAEU2OKP64 · pith_short_8: EHPLM5NA

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/EHPLM5NAEU2OKP64WHEAIQMCOP \
  | 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: 21deb675a02534e53fdcb1c804418273f151d56fbb82bca5eecf9e9a4bb63fcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11bf0053527ba75582e2a931c0c76d749d69444978aae09149259124e6655f7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2025-03-04T09:20:25Z",
    "title_canon_sha256": "b06744f48bdb0a94acc4b2cae576a2d4eb1de07e7948f62ef585472d35504ec0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.02431",
    "kind": "arxiv",
    "version": 2
  }
}