Pith Number

pith:QBN35ZGT

pith:2026:QBN35ZGT3TA55CCPBPACFG7IH7

not attested not anchored not stored refs pending

Polynomial contractions of $\mathbb C^d$ and degree growth

Dmitrii Korshunov

arxiv:2605.29386 v1 · 2026-05-28 · math.CV · math.AG · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBN35ZGT3TA55CCPBPACFG7IH7}

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	2026-05-29T01:05:36.388825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

805bbee4d3dcc1de884f0bc0229be83fced02f5e64aa01a2398b423e51b512d3

Aliases

arxiv: 2605.29386 · arxiv_version: 2605.29386v1 · doi: 10.48550/arxiv.2605.29386 · pith_short_12: QBN35ZGT3TA5 · pith_short_16: QBN35ZGT3TA55CCP · pith_short_8: QBN35ZGT

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/QBN35ZGT3TA55CCPBPACFG7IH7 \
  | 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: 805bbee4d3dcc1de884f0bc0229be83fced02f5e64aa01a2398b423e51b512d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a80f84b177e3fe48352e15ce581efe9aab7456c80c38084c3e93f0dcc70f187",
    "cross_cats_sorted": [
      "math.AG",
      "math.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2026-05-28T05:40:06Z",
    "title_canon_sha256": "267e0ce22ad133e14525472773a824880748a95aa92ee633fdffd017380b572d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29386",
    "kind": "arxiv",
    "version": 1
  }
}