Pith Number

pith:7I2G7LMM

pith:2015:7I2G7LMMDS65HT2A52XU5TQGHE

not attested not anchored not stored refs pending

Fourier Sparsity of GF(2) Polynomials

Hing Yin Tsang, Ning Xie, Shengyu Zhang

arxiv:1508.02158 v1 · 2015-08-10 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7I2G7LMMDS65HT2A52XU5TQGHE}

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	2026-05-18T01:35:34.020998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa346fad8c1cbdd3cf40eeaf4ece06393a1618088c90460101e0abd3fdcf406e

Aliases

arxiv: 1508.02158 · arxiv_version: 1508.02158v1 · doi: 10.48550/arxiv.1508.02158 · pith_short_12: 7I2G7LMMDS65 · pith_short_16: 7I2G7LMMDS65HT2A · pith_short_8: 7I2G7LMM

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/7I2G7LMMDS65HT2A52XU5TQGHE \
  | 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: fa346fad8c1cbdd3cf40eeaf4ece06393a1618088c90460101e0abd3fdcf406e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bff9a3d69fdbc427d60decdc020710f5d68839a810e041388dcc6b19cae24ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-08-10T08:07:59Z",
    "title_canon_sha256": "ba5fc50a65f87a2ac80a3e8bb2bce18094baf681313f0d7d5f898bb95f295466"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02158",
    "kind": "arxiv",
    "version": 1
  }
}