Pith Number

pith:SLCACQMB

pith:2024:SLCACQMBDN5BN36OW4MTWA6A2D

not attested not anchored not stored refs pending

Summa Summarum: Moessner's Theorem without Dynamic Programming

Olivier Danvy (National University of Singapore)

arxiv:2412.03127 v1 · 2024-12-04 · cs.DM · cs.LO · cs.PL · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SLCACQMBDN5BN36OW4MTWA6A2D}

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	2026-07-05T09:44:25.288884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92c40141811b7a16efceb7193b03c0d0cdcc67b004a20a780df2ec6780c96326

Aliases

arxiv: 2412.03127 · arxiv_version: 2412.03127v1 · doi: 10.48550/arxiv.2412.03127 · pith_short_12: SLCACQMBDN5B · pith_short_16: SLCACQMBDN5BN36O · pith_short_8: SLCACQMB

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/SLCACQMBDN5BN36OW4MTWA6A2D \
  | 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: 92c40141811b7a16efceb7193b03c0d0cdcc67b004a20a780df2ec6780c96326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1c97554a968bda9167b1a9564b9c2995540c69cb7533ac48fe5982e0c18f663",
    "cross_cats_sorted": [
      "cs.LO",
      "cs.PL",
      "cs.SC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2024-12-04T08:44:02Z",
    "title_canon_sha256": "e26437f789f90b3a40187c95198c2c428713720ab938fcd7f6236b2bcc8c5330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.03127",
    "kind": "arxiv",
    "version": 1
  }
}