Pith Number

pith:GEJXCVYV

pith:2018:GEJXCVYVMY5UDXFJEFCUNPEZG4

not attested not anchored not stored refs pending

On finite polynomial mappings

Zbigniew Jelonek

arxiv:1807.05558 v1 · 2018-07-15 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GEJXCVYVMY5UDXFJEFCUNPEZG4}

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	2026-05-18T00:10:43.228138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3113715715663b41dca9214546bc993729e8b4e3bbf7c0a9accc6c6a98c66ee1

Aliases

arxiv: 1807.05558 · arxiv_version: 1807.05558v1 · doi: 10.48550/arxiv.1807.05558 · pith_short_12: GEJXCVYVMY5U · pith_short_16: GEJXCVYVMY5UDXFJ · pith_short_8: GEJXCVYV

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/GEJXCVYVMY5UDXFJEFCUNPEZG4 \
  | 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: 3113715715663b41dca9214546bc993729e8b4e3bbf7c0a9accc6c6a98c66ee1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c93f4a04883647125ba189f7f29a58d6e12fb9e754ddd9f26e05bfec864bd941",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-07-15T14:52:22Z",
    "title_canon_sha256": "d5b50670e965d7d1c80be4de2f6bcd996b1964ed6844a2423ef406a9cc7a4b5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05558",
    "kind": "arxiv",
    "version": 1
  }
}