Pith Number

pith:CIMHGPQS

pith:2012:CIMHGPQSYWPGFGRFU6GJO7ZUBB

not attested not anchored not stored refs pending

Cutting the same fraction of several measures

Arseniy Akopyan, Roman Karasev

arxiv:1203.5591 v2 · 2012-03-26 · math.MG · 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{CIMHGPQSYWPGFGRFU6GJO7ZUBB}

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	2026-05-18T03:33:59.806821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1218733e12c59e629a25a78c977f34087ddde17d607c94e57f2a75255be30d12

Aliases

arxiv: 1203.5591 · arxiv_version: 1203.5591v2 · doi: 10.48550/arxiv.1203.5591 · pith_short_12: CIMHGPQSYWPG · pith_short_16: CIMHGPQSYWPGFGRF · pith_short_8: CIMHGPQS

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/CIMHGPQSYWPGFGRFU6GJO7ZUBB \
  | 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: 1218733e12c59e629a25a78c977f34087ddde17d607c94e57f2a75255be30d12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c9bec1b6c85c0ac6268731123deda88aa90b3af9a9d2821021d136ba56dbd39",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2012-03-26T07:23:51Z",
    "title_canon_sha256": "e690edea70db863b2e67440a7e76ee22dcb876210e5c1f5b8146070a2f0f0d0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5591",
    "kind": "arxiv",
    "version": 2
  }
}