Pith Number

pith:72P7Z2CB

pith:2018:72P7Z2CBGCEKEOAQ5QAJQTX2Z7

not attested not anchored not stored refs pending

On generalized Walsh bases

Dorin Ervin Dutkay, Gabriel Picioroaga, Sergei Silvestrov

arxiv:1803.00123 v1 · 2018-02-28 · 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{72P7Z2CBGCEKEOAQ5QAJQTX2Z7}

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	2026-05-18T00:22:13.289912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe9ffce8413088a23810ec00984efacff4a93dfeeacee5bc4807feda71cb9c46

Aliases

arxiv: 1803.00123 · arxiv_version: 1803.00123v1 · doi: 10.48550/arxiv.1803.00123 · pith_short_12: 72P7Z2CBGCEK · pith_short_16: 72P7Z2CBGCEKEOAQ · pith_short_8: 72P7Z2CB

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/72P7Z2CBGCEKEOAQ5QAJQTX2Z7 \
  | 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: fe9ffce8413088a23810ec00984efacff4a93dfeeacee5bc4807feda71cb9c46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec94f36cdbf396709afc6d81b9e88d045243438c8b5ca5a0bd380646767a6a9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-02-28T22:46:00Z",
    "title_canon_sha256": "2b303d7734491213a3aaa6c83162b0d96f5742443c0a06dbe5a7ac244fd11a98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00123",
    "kind": "arxiv",
    "version": 1
  }
}