Pith Number

pith:WRL7HD37

pith:2013:WRL7HD37WY5BPFK5UVTIWMLZ46

not attested not anchored not stored refs pending

Classification of Nilsoliton metrics in dimension seven

Edison Alberto Fern\'andez-Culma

arxiv:1311.4214 v1 · 2013-11-17 · math.DG · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WRL7HD37WY5BPFK5UVTIWMLZ46}

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	2026-05-18T01:46:23.946126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b457f38f7fb63a17955da5668b3179e7aa7d0bfc6b446023026262d5a382308a

Aliases

arxiv: 1311.4214 · arxiv_version: 1311.4214v1 · doi: 10.48550/arxiv.1311.4214 · pith_short_12: WRL7HD37WY5B · pith_short_16: WRL7HD37WY5BPFK5 · pith_short_8: WRL7HD37

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/WRL7HD37WY5BPFK5UVTIWMLZ46 \
  | 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: b457f38f7fb63a17955da5668b3179e7aa7d0bfc6b446023026262d5a382308a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "452e28522392c5ecf3a7f2711461e855986eb73fbed37923bd6d5f3bda3794e3",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-11-17T20:55:38Z",
    "title_canon_sha256": "4780ad26d3a7f6cbf3633f7c3357c6f3e6710690044fe26584d4f98f8bd8b8c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4214",
    "kind": "arxiv",
    "version": 1
  }
}