Pith Number

pith:G76SUJEY

pith:2014:G76SUJEYNBFKP6WIQUCWHC7MGP

not attested not anchored not stored refs pending

State space formulas for a suboptimal rational Leech problem I: Maximum entropy solution

A.E. Frazho, M.A. Kaashoek, S. ter Horst

arxiv:1408.2144 v1 · 2014-08-09 · 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{G76SUJEYNBFKP6WIQUCWHC7MGP}

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	2026-05-18T02:45:30.260630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37fd2a2498684aa7fac88505638bec33ff1f65c121592c2d6ea346277bb5764a

Aliases

arxiv: 1408.2144 · arxiv_version: 1408.2144v1 · doi: 10.48550/arxiv.1408.2144 · pith_short_12: G76SUJEYNBFK · pith_short_16: G76SUJEYNBFKP6WI · pith_short_8: G76SUJEY

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/G76SUJEYNBFKP6WIQUCWHC7MGP \
  | 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: 37fd2a2498684aa7fac88505638bec33ff1f65c121592c2d6ea346277bb5764a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1c781b2b55ad08cc291085744f1fcf037cddd13c8e0dae01a2061d743e153b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-08-09T19:18:00Z",
    "title_canon_sha256": "2b4c44516a5ce6654ce8ead436d83a94882fda1101ace87604e98abde7524ba0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2144",
    "kind": "arxiv",
    "version": 1
  }
}