Pith Number

pith:REBCBIAG

pith:2013:REBCBIAGLUDQWKVH2YHZFD26XX

not attested not anchored not stored refs pending

Feasible combinatorial matrix theory

Ariel Fern\'andez, Michael Soltys

arxiv:1303.6453 v1 · 2013-03-26 · cs.LO · 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{REBCBIAGLUDQWKVH2YHZFD26XX}

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	2026-05-18T03:29:49.416040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

890220a0065d070b2aa7d60f928f5ebdde0728fe35cca07462832cdf96fb4d45

Aliases

arxiv: 1303.6453 · arxiv_version: 1303.6453v1 · doi: 10.48550/arxiv.1303.6453 · pith_short_12: REBCBIAGLUDQ · pith_short_16: REBCBIAGLUDQWKVH · pith_short_8: REBCBIAG

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/REBCBIAGLUDQWKVH2YHZFD26XX \
  | 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: 890220a0065d070b2aa7d60f928f5ebdde0728fe35cca07462832cdf96fb4d45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b289844e32632c218917570d58b7e784f4626cad51ffd5c2c3305f4b9cde6407",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-03-26T12:30:36Z",
    "title_canon_sha256": "891f670bc922fd8081521e621fbf946223188e85b71844e7324ed0f4632e13e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6453",
    "kind": "arxiv",
    "version": 1
  }
}