Pith Number

pith:JE4R5QLX

pith:2026:JE4R5QLXCJPUREAE7A23XB77RG

not attested not anchored not stored refs pending

On balancing consecutive slices of cake

David Bevan

arxiv:2607.00775 v1 · 2026-07-01 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JE4R5QLXCJPUREAE7A23XB77RG}

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	2026-07-02T01:17:55.092694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49391ec177125f489004f835bb87ff899ac164fd5e99f21f28a8a8cbc8486ef1

Aliases

arxiv: 2607.00775 · arxiv_version: 2607.00775v1 · doi: 10.48550/arxiv.2607.00775 · pith_short_12: JE4R5QLXCJPU · pith_short_16: JE4R5QLXCJPUREAE · pith_short_8: JE4R5QLX

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/JE4R5QLXCJPUREAE7A23XB77RG \
  | 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: 49391ec177125f489004f835bb87ff899ac164fd5e99f21f28a8a8cbc8486ef1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45a6c350495d1995df4e1bbbd05116f1ecb6d3cc88c2bffe6d2c107cee708281",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-07-01T11:00:53Z",
    "title_canon_sha256": "42a0f5b3184945e46a807c88abefc1cfbbc0edcc4e28717c3f03d7f9008c352e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00775",
    "kind": "arxiv",
    "version": 1
  }
}