Pith Number

pith:223YSZXP

pith:2016:223YSZXPNLPFBKLY2L47CCHGEZ

not attested not anchored not stored refs pending

Partitioning Hadamard vectors into Hadamard matrices

Janet C. Tremain, Peter G. Casazza

arxiv:1603.00006 v1 · 2016-02-28 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{223YSZXPNLPFBKLY2L47CCHGEZ}

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	2026-05-18T01:19:49.349721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6b78966ef6ade50a978d2f9f108e6265e872dfb051accf1563c3a644081da8d

Aliases

arxiv: 1603.00006 · arxiv_version: 1603.00006v1 · doi: 10.48550/arxiv.1603.00006 · pith_short_12: 223YSZXPNLPF · pith_short_16: 223YSZXPNLPFBKLY · pith_short_8: 223YSZXP

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/223YSZXPNLPFBKLY2L47CCHGEZ \
  | 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: d6b78966ef6ade50a978d2f9f108e6265e872dfb051accf1563c3a644081da8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5afa20cde3d9e2c32aa6c447c45255c81692453a7459fbab6e66ce2c647dc3e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-02-28T17:24:01Z",
    "title_canon_sha256": "08c849559943c9a6070a997107a153485634dc21cc56a95a6c2d14927990dda6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00006",
    "kind": "arxiv",
    "version": 1
  }
}