Pith Number

pith:R6INP6L2

pith:2026:R6INP6L2FVDIYLECKINWH7AOCH

not attested not anchored not stored refs pending

A Linear Bound on the Rainbow Cycle Number and Approximate EFX

Varun Sivashankar

arxiv:2607.27455 v1 · 2026-07-29 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R6INP6L2FVDIYLECKINWH7AOCH}

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	2026-07-31T00:12:13.071954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

8f90d7f97a2d468c2c82521b63fc0e11cebda7d69da571791dd8101de019a83c

Aliases

arxiv: 2607.27455 · arxiv_version: 2607.27455v1 · doi: 10.48550/arxiv.2607.27455 · pith_short_12: R6INP6L2FVDI · pith_short_16: R6INP6L2FVDIYLEC · pith_short_8: R6INP6L2

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/R6INP6L2FVDIYLECKINWH7AOCH \
  | 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: 8f90d7f97a2d468c2c82521b63fc0e11cebda7d69da571791dd8101de019a83c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "110554a52f5c9d66ac25b819ea272265179bae8fdd7fecfdbe722eb8d7c57058",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2026-07-29T20:43:46Z",
    "title_canon_sha256": "2c600ee817220095722bcb5cc09224800dc09167f056a4879b1b65a9e20a0ecb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27455",
    "kind": "arxiv",
    "version": 1
  }
}