Pith Number

pith:4SIDGUZI

pith:2014:4SIDGUZIHA5GU42L3D3PSV7T55

not attested not anchored not stored refs pending

The algebraic square peg problem

Wouter van Heijst

arxiv:1403.5979 v1 · 2014-03-24 · math.AG · math.AT · 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{4SIDGUZIHA5GU42L3D3PSV7T55}

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.

Cited by

1 paper in Pith

Visual Diffusion Models are Geometric Solvers

Receipt and verification

First computed	2026-05-18T02:55:47.239487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e490335328383a6a734bd8f6f957f3ef57d92349ddc5d458649af62d753d6fcb

Aliases

arxiv: 1403.5979 · arxiv_version: 1403.5979v1 · doi: 10.48550/arxiv.1403.5979 · pith_short_12: 4SIDGUZIHA5G · pith_short_16: 4SIDGUZIHA5GU42L · pith_short_8: 4SIDGUZI

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/4SIDGUZIHA5GU42L3D3PSV7T55 \
  | 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: e490335328383a6a734bd8f6f957f3ef57d92349ddc5d458649af62d753d6fcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "040935348f4ce6011b73511b0890f1c25fd5998e0b14443bdae8e80f31f8b587",
    "cross_cats_sorted": [
      "math.AT",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-03-24T14:51:24Z",
    "title_canon_sha256": "dcce70f5d8d52d5da5a0b038fd2c39ca353ce1a5ef021a36a309818902144f7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5979",
    "kind": "arxiv",
    "version": 1
  }
}