Pith Number

pith:TPOL7X2D

pith:2019:TPOL7X2D3KJLVLXM7KJF4ZR4RX

not attested not anchored not stored refs pending

State matrix recursion method and monomer--dimer problem

Seungsang Oh

arxiv:1901.07847 v1 · 2019-01-23 · 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{TPOL7X2D3KJLVLXM7KJF4ZR4RX}

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	2026-05-17T23:55:39.617650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bdcbfdf43da92baaeecfa925e663c8dca98d1b2b38b06ac3972848e1ef11cdc

Aliases

arxiv: 1901.07847 · arxiv_version: 1901.07847v1 · doi: 10.48550/arxiv.1901.07847 · pith_short_12: TPOL7X2D3KJL · pith_short_16: TPOL7X2D3KJLVLXM · pith_short_8: TPOL7X2D

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/TPOL7X2D3KJLVLXM7KJF4ZR4RX \
  | 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: 9bdcbfdf43da92baaeecfa925e663c8dca98d1b2b38b06ac3972848e1ef11cdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "519d53d6419588a1c5b72cead42c0e9ff35bf71edd5a867be9769bbf59d22b80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-01-23T12:24:39Z",
    "title_canon_sha256": "182a5141c9bf73dacba76df1bbe97a67b347b4501784d96d407d85426ec1f36a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07847",
    "kind": "arxiv",
    "version": 1
  }
}