Pith Number

pith:BCCMVRWN

pith:2022:BCCMVRWNCGQX3N6KPM4PB4WRCH

not attested not anchored not stored refs pending

Weyl Tensors, Strongly Regular Graphs, Multiplicative Characters, and a Quadratic Matrix Equation

Christopher Deninger, Linus Kramer, Theo Grundh\"ofer

arxiv:2204.02706 v3 · 2022-04-06 · math.GR · math.CO · math.DG · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BCCMVRWNCGQX3N6KPM4PB4WRCH}

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	2026-07-05T06:49:15.159312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0884cac6cd11a17db7ca7b38f0f2d111d9b0baca7bc6d49a39a0a03d0d4d1e4b

Aliases

arxiv: 2204.02706 · arxiv_version: 2204.02706v3 · doi: 10.48550/arxiv.2204.02706 · pith_short_12: BCCMVRWNCGQX · pith_short_16: BCCMVRWNCGQX3N6K · pith_short_8: BCCMVRWN

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/BCCMVRWNCGQX3N6KPM4PB4WRCH \
  | 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: 0884cac6cd11a17db7ca7b38f0f2d111d9b0baca7bc6d49a39a0a03d0d4d1e4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fb3c443b3212c0cef702a705ee2c05795cb854f457ca9ac34d7065873bfdb55",
    "cross_cats_sorted": [
      "math.CO",
      "math.DG",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2022-04-06T10:04:41Z",
    "title_canon_sha256": "83509c0e6325665afa457f09a6fa81742bb989e0bfd25653c3d46557b58c8ef8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.02706",
    "kind": "arxiv",
    "version": 3
  }
}