Pith Number

pith:7TQHFPLY

pith:2014:7TQHFPLYKEESWGYF4BY6YYSVAY

not attested not anchored not stored refs pending

Equivariant semidefinite lifts of regular polygons

Hamza Fawzi, James Saunderson, Pablo A. Parrilo

arxiv:1409.4379 v1 · 2014-09-15 · math.OC · cs.CC · cs.CG · 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{7TQHFPLYKEESWGYF4BY6YYSVAY}

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	2026-05-18T00:32:36.689936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fce072bd7851092b1b05e071ec625506024e827a006ff6d65ada0e551e5f7a5f

Aliases

arxiv: 1409.4379 · arxiv_version: 1409.4379v1 · doi: 10.48550/arxiv.1409.4379 · pith_short_12: 7TQHFPLYKEES · pith_short_16: 7TQHFPLYKEESWGYF · pith_short_8: 7TQHFPLY

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/7TQHFPLYKEESWGYF4BY6YYSVAY \
  | 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: fce072bd7851092b1b05e071ec625506024e827a006ff6d65ada0e551e5f7a5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8129895f3efbc30ca29926a35764d1422a48de5dd9158359b99adc93093c7c91",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CG",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-09-15T18:59:37Z",
    "title_canon_sha256": "fedca0eaf3b8997bb0b7e0596aca778a5f7fc21411d361fbdcb1292dc0b113e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4379",
    "kind": "arxiv",
    "version": 1
  }
}