Pith Number

pith:SZIZDXDW

pith:2011:SZIZDXDWSXNB3ZGY5PGDJBIRQ5

not attested not anchored not stored refs pending

Character analysis using Fourier series

Daniel Reem

arxiv:1104.1201 v2 · 2011-04-06 · math.HO · 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{SZIZDXDWSXNB3ZGY5PGDJBIRQ5}

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	2026-05-18T00:49:40.488408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

965191dc7695da1de4d8ebcc34851187430689420c98daaa2718ae04a1e00a20

Aliases

arxiv: 1104.1201 · arxiv_version: 1104.1201v2 · doi: 10.48550/arxiv.1104.1201 · pith_short_12: SZIZDXDWSXNB · pith_short_16: SZIZDXDWSXNB3ZGY · pith_short_8: SZIZDXDW

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/SZIZDXDWSXNB3ZGY5PGDJBIRQ5 \
  | 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: 965191dc7695da1de4d8ebcc34851187430689420c98daaa2718ae04a1e00a20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa49a95359dbb997b8e2641cfe86b61259a7a22edb6c42665eaf610806cf6e02",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2011-04-06T21:47:11Z",
    "title_canon_sha256": "55dc550bd289dcb5546eb61ef3c9718831a5db7b63f3590df3ee6f38c2c42733"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1201",
    "kind": "arxiv",
    "version": 2
  }
}