Pith Number

pith:PEF5EPC4

pith:2005:PEF5EPC4DTLIINJWC2M6FVHZRK

not attested not anchored not stored refs pending

On the Robin problem in fractal domains

Krzysztof Burdzy, Richard Bass, Zhen-Qing Chen

arxiv:math/0504297 v1 · 2005-04-14 · math.CA · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PEF5EPC4DTLIINJWC2M6FVHZRK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:57:51.111071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

790bd23c5c1cd68435361699e2d4f98abff1fa37b1afba99d15bdf5d33d71ef5

Aliases

arxiv: math/0504297 · arxiv_version: math/0504297v1 · doi: 10.48550/arxiv.math/0504297 · pith_short_12: PEF5EPC4DTLI · pith_short_16: PEF5EPC4DTLIINJW · pith_short_8: PEF5EPC4

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/PEF5EPC4DTLIINJWC2M6FVHZRK \
  | 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: 790bd23c5c1cd68435361699e2d4f98abff1fa37b1afba99d15bdf5d33d71ef5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac1d43b1854403e455df7178daf7ac9a1d7ba431027208cedc10237d2b602b05",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "",
    "primary_cat": "math.CA",
    "submitted_at": "2005-04-14T16:24:11Z",
    "title_canon_sha256": "37ad383a0b23bcb11f1affea60456d4bdabb0b99cf66530c718cecfdd3c13712"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0504297",
    "kind": "arxiv",
    "version": 1
  }
}