Pith Number

pith:473FC4OU

pith:2019:473FC4OU3HWBWT3YFNI7BN6ICP

not attested not anchored not stored refs pending

Root-Hadamard transforms and complementary sequences

Constanza Riera, Luis A. Medina, Matthew G. Parker, Pantelimon Stanica

arxiv:1907.09360 v1 · 2019-07-22 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{473FC4OU3HWBWT3YFNI7BN6ICP}

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	2026-05-17T23:39:59.409863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7f65171d4d9ec1b4f782b51f0b7c813c8c451df9e2902cd87d43f4a8cac43a9

Aliases

arxiv: 1907.09360 · arxiv_version: 1907.09360v1 · doi: 10.48550/arxiv.1907.09360 · pith_short_12: 473FC4OU3HWB · pith_short_16: 473FC4OU3HWBWT3Y · pith_short_8: 473FC4OU

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/473FC4OU3HWBWT3YFNI7BN6ICP \
  | 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: e7f65171d4d9ec1b4f782b51f0b7c813c8c451df9e2902cd87d43f4a8cac43a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0eb603350b5640eef8194ddab673e0da74ddc61d990085e0b2593d834d09ac33",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-07-22T14:57:00Z",
    "title_canon_sha256": "85176bb146d20fb992cf67d98fb199d08482ae64e0f488b60dff44beda56d0d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09360",
    "kind": "arxiv",
    "version": 1
  }
}