Pith Number

pith:MQKZWU2V

pith:2018:MQKZWU2VZRQJNH22MN6BDE44BW

not attested not anchored not stored refs pending

Unlimited parity alternating partitions

Shane Chern

arxiv:1803.01031 v1 · 2018-03-02 · 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{MQKZWU2VZRQJNH22MN6BDE44BW}

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	2026-05-18T00:22:01.973610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64159b5355cc60969f5a637c11939c0dbe74023b41a5900a3565872d86e8057d

Aliases

arxiv: 1803.01031 · arxiv_version: 1803.01031v1 · doi: 10.48550/arxiv.1803.01031 · pith_short_12: MQKZWU2VZRQJ · pith_short_16: MQKZWU2VZRQJNH22 · pith_short_8: MQKZWU2V

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/MQKZWU2VZRQJNH22MN6BDE44BW \
  | 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: 64159b5355cc60969f5a637c11939c0dbe74023b41a5900a3565872d86e8057d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7bc6abd4ec2d50373e0ac594348ba75ab2bc44347a33a614cf570514cc5b865",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-03-02T20:16:38Z",
    "title_canon_sha256": "e44c2cdd4a4a30d58cd5cbca2f7b8832e5ca9f47496eb501f6fb771cada453d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01031",
    "kind": "arxiv",
    "version": 1
  }
}