Pith Number

pith:5WNZRR7S

pith:2014:5WNZRR7S4GVN7JHREGYJMYKGPQ

not attested not anchored not stored refs pending

Complex zero strip decreasing operators

David A. Cardon

arxiv:1401.0237 v2 · 2014-01-01 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5WNZRR7S4GVN7JHREGYJMYKGPQ}

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	2026-05-18T02:28:23.198806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed9b98c7f2e1aadfa4f121b09661467c3aecdc2cd4e1dbd77306d3069a6b91d2

Aliases

arxiv: 1401.0237 · arxiv_version: 1401.0237v2 · doi: 10.48550/arxiv.1401.0237 · pith_short_12: 5WNZRR7S4GVN · pith_short_16: 5WNZRR7S4GVN7JHR · pith_short_8: 5WNZRR7S

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/5WNZRR7S4GVN7JHREGYJMYKGPQ \
  | 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: ed9b98c7f2e1aadfa4f121b09661467c3aecdc2cd4e1dbd77306d3069a6b91d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "489ce7e48684cb66d0daf10f4e361f97d152fddbda782110c23cc5e1bd2ae52a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-01-01T01:05:09Z",
    "title_canon_sha256": "34ee57e43f88fb83425f7003fea4da6193ecf36d81c25eb3e1e0da2d5b895eb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0237",
    "kind": "arxiv",
    "version": 2
  }
}