Pith Number

pith:FGHREDRE

pith:2012:FGHREDREWPYQ5FRLEBLQBSWQWT

not attested not anchored not stored refs pending

Information Theoretic cutting of a cake

Amin Gohari, Payam Delgosha

arxiv:1205.4144 v3 · 2012-05-18 · cs.IT · cs.GT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FGHREDREWPYQ5FRLEBLQBSWQWT}

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	2026-05-18T01:22:08.971575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

298f120e24b3f10e962b205700cad0b4e8ba94dc91d2cf8d2ad90c1853219455

Aliases

arxiv: 1205.4144 · arxiv_version: 1205.4144v3 · doi: 10.48550/arxiv.1205.4144 · pith_short_12: FGHREDREWPYQ · pith_short_16: FGHREDREWPYQ5FRL · pith_short_8: FGHREDRE

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/FGHREDREWPYQ5FRLEBLQBSWQWT \
  | 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: 298f120e24b3f10e962b205700cad0b4e8ba94dc91d2cf8d2ad90c1853219455

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b538947069dadc9be4d3dd55c192866c828c03058805aae4ad1cb1639981dd7",
    "cross_cats_sorted": [
      "cs.GT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-05-18T12:00:54Z",
    "title_canon_sha256": "d683ada637b4e92e2ad38f9414e656cfb836ca8a478223626b1e836b401d37a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4144",
    "kind": "arxiv",
    "version": 3
  }
}