Pith Number

pith:3WWU3JJW

pith:2019:3WWU3JJWYS46L5CHM5E3ROIWWA

not attested not anchored not stored refs pending

Laplacian coflow for warped $\mathrm{G}_2$-structures

Antonio Otal, Raquel Villacampa, Victor Manero

arxiv:1904.06080 v1 · 2019-04-12 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WWU3JJWYS46L5CHM5E3ROIWWA}

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	2026-05-17T23:48:44.245864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddad4da536c4b9e5f4476749b8b916b00a2ba66b1e49bc31fea526aa99f35f58

Aliases

arxiv: 1904.06080 · arxiv_version: 1904.06080v1 · doi: 10.48550/arxiv.1904.06080 · pith_short_12: 3WWU3JJWYS46 · pith_short_16: 3WWU3JJWYS46L5CH · pith_short_8: 3WWU3JJW

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/3WWU3JJWYS46L5CHM5E3ROIWWA \
  | 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: ddad4da536c4b9e5f4476749b8b916b00a2ba66b1e49bc31fea526aa99f35f58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9006c7192010eef8ca3c064e9f519c1adcefba63b963841e2a60d59a93f669c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-04-12T07:38:10Z",
    "title_canon_sha256": "3eb80142e2c188109b6e8bb7b87e048daf72d1111d20c064e73c0f265fa601ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06080",
    "kind": "arxiv",
    "version": 1
  }
}