Pith Number

pith:R7J3KQQU

pith:2025:R7J3KQQUEITSH6CUZOPFR4JUQS

not attested not anchored not stored refs pending

Colouring normal quadrangulations of projective spaces

Atsuhiro Nakamoto, Kenta Ozeki, On-Hei Solomon Lo, Tom\'a\v{s} Kaiser, Yuta Nozaki

arxiv:2503.23057 v1 · 2025-03-29 · 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{R7J3KQQUEITSH6CUZOPFR4JUQS}

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.

Cited by

1 paper in Pith

Higher-dimensional generalization of Youngs' theorem and circular colorings

Receipt and verification

First computed	2026-07-05T10:41:29.942965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fd3b54214222723f854cb9e58f1348489e6731d08f07ffe623e0cf46955c5bc

Aliases

arxiv: 2503.23057 · arxiv_version: 2503.23057v1 · doi: 10.48550/arxiv.2503.23057 · pith_short_12: R7J3KQQUEITS · pith_short_16: R7J3KQQUEITSH6CU · pith_short_8: R7J3KQQU

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/R7J3KQQUEITSH6CUZOPFR4JUQS \
  | 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: 8fd3b54214222723f854cb9e58f1348489e6731d08f07ffe623e0cf46955c5bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffe09868a81c976e383168ee1f8ed0e7036c11e2f62bc6fc3f9ccbaa92f7ea64",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-03-29T12:30:12Z",
    "title_canon_sha256": "d3ce6a0c23447c7fdc439fcb6dc33ec764c35deaef440ec5bcd23b7e0f0cd65e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.23057",
    "kind": "arxiv",
    "version": 1
  }
}