Pith Number

pith:2SIDBADN

pith:2014:2SIDBADN4VY7OYR7ASFICVX4UQ

not attested not anchored not stored refs pending

Sums of Squares on the Hypercube

Grigoriy Blekherman, James Pfeiffer, Jo\~ao Gouveia

arxiv:1402.4199 v1 · 2014-02-18 · math.AG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2SIDBADN4VY7OYR7ASFICVX4UQ}

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	2026-05-18T02:58:44.544190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d49030806de571f7623f048a8156fca40e9bf65c830f1ed00301b17451472931

Aliases

arxiv: 1402.4199 · arxiv_version: 1402.4199v1 · doi: 10.48550/arxiv.1402.4199 · pith_short_12: 2SIDBADN4VY7 · pith_short_16: 2SIDBADN4VY7OYR7 · pith_short_8: 2SIDBADN

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/2SIDBADN4VY7OYR7ASFICVX4UQ \
  | 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: d49030806de571f7623f048a8156fca40e9bf65c830f1ed00301b17451472931

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d313e085edcd81df7eabc55f1087726906471231e86a566acd9f7b9ff194997c",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-02-18T01:07:33Z",
    "title_canon_sha256": "aa8e4fc7254c69b694196f2d49752c5ad0c080829f9eb90c41e51245cdfd16f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4199",
    "kind": "arxiv",
    "version": 1
  }
}