Pith Number

pith:S5OGIYJW

pith:2012:S5OGIYJWPB5CD22WQGUJ4DD77Y

not attested not anchored not stored refs pending

The Sum of Squares Law

Fang Fang, Garrett Sadler, Julio Kovacs, Klee Irwin

arxiv:1210.1446 v1 · 2012-10-02 · 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{S5OGIYJWPB5CD22WQGUJ4DD77Y}

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	2026-05-18T03:44:03.520938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

975c646136787a21eb5681a89e0c7ffe3f2077d7e044d03f8cdcd2600081fc8e

Aliases

arxiv: 1210.1446 · arxiv_version: 1210.1446v1 · doi: 10.48550/arxiv.1210.1446 · pith_short_12: S5OGIYJWPB5C · pith_short_16: S5OGIYJWPB5CD22W · pith_short_8: S5OGIYJW

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/S5OGIYJWPB5CD22WQGUJ4DD77Y \
  | 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: 975c646136787a21eb5681a89e0c7ffe3f2077d7e044d03f8cdcd2600081fc8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fa9863c67230e02a2af7c9328110e0077b6a2d6df78719cd3e526e6ddf2ae03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2012-10-02T00:30:11Z",
    "title_canon_sha256": "3c33a1a7d8a4c49f8422103709a6a778d584de8faebbcfce5b413fa6d8350db9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1446",
    "kind": "arxiv",
    "version": 1
  }
}