Pith Number

pith:JMRDNYZI

pith:2017:JMRDNYZIEPBJQJF5YHCI2FLVII

not attested not anchored not stored refs pending

Infinite combinatorics plain and simple

D\'aniel T. Soukup, Lajos Soukup

arxiv:1705.06195 v3 · 2017-05-17 · math.LO · math.CO

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

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	2026-05-18T00:24:31.240845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b2236e32823c29824bdc1c48d15754236fdd0e6f3514c3367fc506a3b81ea90

Aliases

arxiv: 1705.06195 · arxiv_version: 1705.06195v3 · doi: 10.48550/arxiv.1705.06195 · pith_short_12: JMRDNYZIEPBJ · pith_short_16: JMRDNYZIEPBJQJF5 · pith_short_8: JMRDNYZI

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/JMRDNYZIEPBJQJF5YHCI2FLVII \
  | 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: 4b2236e32823c29824bdc1c48d15754236fdd0e6f3514c3367fc506a3b81ea90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8c0e118f8fd2e1b13b111cefe18d42f2668dddea1ccee64f866b67b4fd3017f",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-05-17T15:00:42Z",
    "title_canon_sha256": "edcba34fc48a56c247a2b29db275dc5f949c094c6988f64409b4e017353080b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06195",
    "kind": "arxiv",
    "version": 3
  }
}