Pith Number

pith:5KNR3YKG

pith:2026:5KNR3YKGEKGKKYYSKILGDOCFLW

not attested not anchored not stored refs pending

The Redheffer Matrix Parity Problem

Anthony Hernandez

arxiv:2607.08962 v1 · 2026-07-09 · 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{5KNR3YKGEKGKKYYSKILGDOCFLW}

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	2026-07-13T00:17:30.158121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea9b1de146228ca56312521661b8455db783771cdbd2cfda6d07a3d5229d677a

Aliases

arxiv: 2607.08962 · arxiv_version: 2607.08962v1 · doi: 10.48550/arxiv.2607.08962 · pith_short_12: 5KNR3YKGEKGK · pith_short_16: 5KNR3YKGEKGKKYYS · pith_short_8: 5KNR3YKG

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/5KNR3YKGEKGKKYYSKILGDOCFLW \
  | 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: ea9b1de146228ca56312521661b8455db783771cdbd2cfda6d07a3d5229d677a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "702ad7fc5a7dc0c35663b2aa70a0cda8a9ced6c6de904630ca250a2abef9b05a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-07-09T21:54:48Z",
    "title_canon_sha256": "98d41c81e78375cb26fc32cfc350994956272c09f6b048092b83d615f24e16e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08962",
    "kind": "arxiv",
    "version": 1
  }
}