Pith Number

pith:ACUXYHSA

pith:2013:ACUXYHSAECS6T634WEIQ6RBQWJ

not attested not anchored not stored refs pending

Rational matrix solutions to the Leech equation: The Ball-Trent approach revisited

Sanne ter Horst

arxiv:1301.5116 v1 · 2013-01-22 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ACUXYHSAECS6T634WEIQ6RBQWJ}

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	2026-05-18T03:35:52.984620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00a97c1e4020a5e9fb7cb1110f4430b2490798e53fa08f578d4e2272550aa36b

Aliases

arxiv: 1301.5116 · arxiv_version: 1301.5116v1 · doi: 10.48550/arxiv.1301.5116 · pith_short_12: ACUXYHSAECS6 · pith_short_16: ACUXYHSAECS6T634 · pith_short_8: ACUXYHSA

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/ACUXYHSAECS6T634WEIQ6RBQWJ \
  | 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: 00a97c1e4020a5e9fb7cb1110f4430b2490798e53fa08f578d4e2272550aa36b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "882b99060b99656f2e64545757af15240d358471517a1cb82fab67d1b3f51615",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-01-22T09:11:35Z",
    "title_canon_sha256": "9a7db81e5acedd550596cef9c2a0e9f579b426b81b0b2fc13c7a020849ae3877"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5116",
    "kind": "arxiv",
    "version": 1
  }
}