Pith Number

pith:Z43HMJ7X

pith:2019:Z43HMJ7XU5QX6CH66Z247DWKFO

not attested not anchored not stored refs pending

Minimal kernels and compact analytic objects in complex surfaces

Giuseppe Tomassini, Samuele Mongodi

arxiv:1904.04059 v1 · 2019-04-08 · 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{Z43HMJ7XU5QX6CH66Z247DWKFO}

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	2026-05-17T23:49:07.203189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf367627f7a7617f08fef675cf8eca2b8b10c3edf78d7e635268c23ffe8cfd0e

Aliases

arxiv: 1904.04059 · arxiv_version: 1904.04059v1 · doi: 10.48550/arxiv.1904.04059 · pith_short_12: Z43HMJ7XU5QX · pith_short_16: Z43HMJ7XU5QX6CH6 · pith_short_8: Z43HMJ7X

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/Z43HMJ7XU5QX6CH66Z247DWKFO \
  | 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: cf367627f7a7617f08fef675cf8eca2b8b10c3edf78d7e635268c23ffe8cfd0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b68d7fabd81784e24587c7f6e058e3807d0bd0b2463dedfa7c933ba3720000f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-04-08T13:41:52Z",
    "title_canon_sha256": "c485a1a8e1fc00f1e64cc5b82529f866b2ac8713ba6d107827514976c8f8a691"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04059",
    "kind": "arxiv",
    "version": 1
  }
}