Pith Number

pith:LSATH5RA

pith:2015:LSATH5RAIH7VY3YZIQIAJOQS42

not attested not anchored not stored refs pending

Some numerical characteristics of Sylvester and Hadamard matrices

\'Agota Figula, Vakhtang Kvaratskhelia

arxiv:1507.00636 v2 · 2015-07-02 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LSATH5RAIH7VY3YZIQIAJOQS42}

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	2026-05-18T01:37:07.138457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c8133f62041ff5c6f19441004ba12e695eb1de5bfb0097c471554965148eede

Aliases

arxiv: 1507.00636 · arxiv_version: 1507.00636v2 · doi: 10.48550/arxiv.1507.00636 · pith_short_12: LSATH5RAIH7V · pith_short_16: LSATH5RAIH7VY3YZ · pith_short_8: LSATH5RA

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/LSATH5RAIH7VY3YZIQIAJOQS42 \
  | 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: 5c8133f62041ff5c6f19441004ba12e695eb1de5bfb0097c471554965148eede

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31e57c51a0511639e5e81865772eea0a36d9225f81460257d0ac0487301da08b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2015-07-02T15:52:08Z",
    "title_canon_sha256": "4609017646cb81740d696d6df832974fc81fe3b101a9b502c2f25bd92aa852bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00636",
    "kind": "arxiv",
    "version": 2
  }
}