Pith Number

pith:O42JQVTI

pith:2019:O42JQVTIWXGTWRGO6WZ2MULYRO

not attested not anchored not stored refs pending

Computation of conformal invariants

Matti Vuorinen, Mohamed M S Nasser

arxiv:1908.04533 v2 · 2019-08-13 · 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{O42JQVTIWXGTWRGO6WZ2MULYRO}

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	2026-07-05T01:27:43.173803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7734985668b5cd3b44cef5b3a651788b9eae1ce8dbedd4fc55b7b88f4b2e7fe5

Aliases

arxiv: 1908.04533 · arxiv_version: 1908.04533v2 · doi: 10.48550/arxiv.1908.04533 · pith_short_12: O42JQVTIWXGT · pith_short_16: O42JQVTIWXGTWRGO · pith_short_8: O42JQVTI

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/O42JQVTIWXGTWRGO6WZ2MULYRO \
  | 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: 7734985668b5cd3b44cef5b3a651788b9eae1ce8dbedd4fc55b7b88f4b2e7fe5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2acc6591f4ae6f57e591e9a8158440dbb171f03ce3391575a57348c1f7aeb22b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-08-13T08:30:13Z",
    "title_canon_sha256": "a6c569743f00023eebaa774e73d4c7f830b14f2fa4877249f915f4297710bfba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04533",
    "kind": "arxiv",
    "version": 2
  }
}