Pith Number

pith:EKI6ZHNZ

pith:2026:EKI6ZHNZOUAOX5XE4ITQPLSUVI

not attested not anchored not stored refs pending

Partial-twuality polynomial interpolation for binary delta-matroids

Qi Yan, Xian'an Jin, Zhuo Li

arxiv:2606.22888 v1 · 2026-06-22 · 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{EKI6ZHNZOUAOX5XE4ITQPLSUVI}

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	2026-06-23T03:14:03.299753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2291ec9db97500ebf6e4e22707ae54aa04c9a159e439506bd12ab9cbd97c705a

Aliases

arxiv: 2606.22888 · arxiv_version: 2606.22888v1 · doi: 10.48550/arxiv.2606.22888 · pith_short_12: EKI6ZHNZOUAO · pith_short_16: EKI6ZHNZOUAOX5XE · pith_short_8: EKI6ZHNZ

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/EKI6ZHNZOUAOX5XE4ITQPLSUVI \
  | 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: 2291ec9db97500ebf6e4e22707ae54aa04c9a159e439506bd12ab9cbd97c705a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9189dd3922aed316e5a560e68f8ba3fe9b1ed48e5cc5ba86d1c5ab9cda9fc462",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-06-22T05:58:18Z",
    "title_canon_sha256": "b50ae2365be7306e8cfd5b1993f03b5edfe5c4b02e1e0f61d35ce853472bca02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22888",
    "kind": "arxiv",
    "version": 1
  }
}