Pith Number

pith:WZK73FLS

pith:2019:WZK73FLS365RDO62MWAA6RPUHU

not attested not anchored not stored refs pending

Geometric subdivision and multiscale transforms

Johannes Wallner

arxiv:1907.07550 v1 · 2019-07-17 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WZK73FLS365RDO62MWAA6RPUHU}

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	2026-05-17T23:40:21.781014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b655fd9572dfbb11bbda65800f45f43d15d2303de5543177d56d3d826651c42a

Aliases

arxiv: 1907.07550 · arxiv_version: 1907.07550v1 · doi: 10.48550/arxiv.1907.07550 · pith_short_12: WZK73FLS365R · pith_short_16: WZK73FLS365RDO62 · pith_short_8: WZK73FLS

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/WZK73FLS365RDO62MWAA6RPUHU \
  | 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: b655fd9572dfbb11bbda65800f45f43d15d2303de5543177d56d3d826651c42a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ade2c01adb505c73e26a614110d6c0f682681d76cb3197a7968aab467dc12309",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-07-17T14:44:49Z",
    "title_canon_sha256": "3b60658bf084e9d1aac9f44e4d95a85408e78b699e72d1d318e9bf1441f19afd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07550",
    "kind": "arxiv",
    "version": 1
  }
}