Pith Number

pith:PME2DSUA

pith:2018:PME2DSUAKIAG4CH23I3BCU5AHM

not attested not anchored not stored refs pending

A Trichotomy for Rectangles Inscribed in Jordan Loops

Richard Evan Schwartz

arxiv:1804.00740 v4 · 2018-04-02 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PME2DSUAKIAG4CH23I3BCU5AHM}

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	2026-05-17T23:41:18.121948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b09a1ca8052006e08fada361153a03b0db0d48ab402112b1edd3aab2e5364ea

Aliases

arxiv: 1804.00740 · arxiv_version: 1804.00740v4 · doi: 10.48550/arxiv.1804.00740 · pith_short_12: PME2DSUAKIAG · pith_short_16: PME2DSUAKIAG4CH2 · pith_short_8: PME2DSUA

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/PME2DSUAKIAG4CH23I3BCU5AHM \
  | 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: 7b09a1ca8052006e08fada361153a03b0db0d48ab402112b1edd3aab2e5364ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca0a4a4a864260df2260ef7b949371e8ca43eb031934a5a2f1387a48c44a4e9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2018-04-02T21:44:39Z",
    "title_canon_sha256": "189b331746b75420a5835b0f4573e149d8a71f43e13d5b471c850cf7e5624ee4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00740",
    "kind": "arxiv",
    "version": 4
  }
}