Pith Number

pith:E4NVPICN

pith:2018:E4NVPICNX2MX6HGHFLBUZYXO57

not attested not anchored not stored refs pending

Conformal Geometry on Four Manifolds

Sun-Yung Alice Chang

arxiv:1809.06339 v1 · 2018-09-17 · math.DG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E4NVPICNX2MX6HGHFLBUZYXO57}

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	2026-05-18T00:05:34.977456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

271b57a04dbe997f1cc72ac34ce2eeefc4d4dec3ebb04f9867d88dc45b079143

Aliases

arxiv: 1809.06339 · arxiv_version: 1809.06339v1 · doi: 10.48550/arxiv.1809.06339 · pith_short_12: E4NVPICNX2MX · pith_short_16: E4NVPICNX2MX6HGH · pith_short_8: E4NVPICN

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/E4NVPICNX2MX6HGHFLBUZYXO57 \
  | 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: 271b57a04dbe997f1cc72ac34ce2eeefc4d4dec3ebb04f9867d88dc45b079143

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fe90b1fb362e304334a814b973ce4cf6de1b835e372fc17aa8ee62be5abda4b",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-09-17T17:20:13Z",
    "title_canon_sha256": "646f09aa43a016902364cbed04e24fc7388f6bdeb8a708720045c5433b1d8a56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06339",
    "kind": "arxiv",
    "version": 1
  }
}