Pith Number

pith:2GWP47D4

pith:2011:2GWP47D4MBDDUKNJ4SQIASBHIZ

not attested not anchored not stored refs pending

Sigma functions for a space curve of type (3, 4, 5)

Jiryo Komeda, Shigeki Matsutani

arxiv:1112.4137 v3 · 2011-12-18 · math-ph · math.AG · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GWP47D4MBDDUKNJ4SQIASBHIZ}

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	2026-05-18T03:18:32.020141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1acfe7c7c60463a29a9e4a08048274643caed6d3a7f15067d814cf2fb2716c1

Aliases

arxiv: 1112.4137 · arxiv_version: 1112.4137v3 · doi: 10.48550/arxiv.1112.4137 · pith_short_12: 2GWP47D4MBDD · pith_short_16: 2GWP47D4MBDDUKNJ · pith_short_8: 2GWP47D4

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/2GWP47D4MBDDUKNJ4SQIASBHIZ \
  | 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: d1acfe7c7c60463a29a9e4a08048274643caed6d3a7f15067d814cf2fb2716c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d35fb79e1dfa00238b741e9ed5aba1dbbaafbd6e3771ec2295f840041ee792f",
    "cross_cats_sorted": [
      "math.AG",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-12-18T09:30:45Z",
    "title_canon_sha256": "cebfed7bef20711233b06f12690251a03e4c7b71b3619f362f8e89f577643ac4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4137",
    "kind": "arxiv",
    "version": 3
  }
}