Pith Number

pith:NLEIJA62

pith:2026:NLEIJA62HG4ZFRYAD4WBUWAPCG

not attested not anchored not stored refs pending

Chromatic Completeness and the Independence of Geometric Obstruction

Karl Svozil

arxiv:2607.04289 v1 · 2026-07-05 · quant-ph · 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{NLEIJA62HG4ZFRYAD4WBUWAPCG}

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	2026-07-07T02:19:07.134283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ac88483da39b992c7001f2c1a580f11a6a7875ddfc39a79a710892465487ee6

Aliases

arxiv: 2607.04289 · arxiv_version: 2607.04289v1 · doi: 10.48550/arxiv.2607.04289 · pith_short_12: NLEIJA62HG4Z · pith_short_16: NLEIJA62HG4ZFRYA · pith_short_8: NLEIJA62

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/NLEIJA62HG4ZFRYAD4WBUWAPCG \
  | 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: 6ac88483da39b992c7001f2c1a580f11a6a7875ddfc39a79a710892465487ee6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5958dbbe0e4d087a2c3bbf565876923d8fa6850bc1d273c3ec7e6e016f8235d5",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-05T13:05:41Z",
    "title_canon_sha256": "b55caf6cd717839882f20e73c88add3effe5f7a99093231f9231b20de2d147bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.04289",
    "kind": "arxiv",
    "version": 1
  }
}