Pith Number

pith:M2UCMZ76

pith:2018:M2UCMZ76XKRUG4YFDB5EB3LQC7

not attested not anchored not stored refs pending

String topology with gravitational descendants, and periods of Landau-Ginzburg potentials

Dmitry Tonkonog

arxiv:1801.06921 v3 · 2018-01-22 · math.SG · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M2UCMZ76XKRUG4YFDB5EB3LQC7}

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	2026-05-17T23:43:33.403660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66a82667febaa3437305187a40ed7017d4d5a6f8c48677d183ee0f691efa0588

Aliases

arxiv: 1801.06921 · arxiv_version: 1801.06921v3 · doi: 10.48550/arxiv.1801.06921 · pith_short_12: M2UCMZ76XKRU · pith_short_16: M2UCMZ76XKRUG4YF · pith_short_8: M2UCMZ76

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/M2UCMZ76XKRUG4YFDB5EB3LQC7 \
  | 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: 66a82667febaa3437305187a40ed7017d4d5a6f8c48677d183ee0f691efa0588

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58090e7cebb14b6b706209ff17434acd8c5d548071f8f3787d5ff09ec4a2aae5",
    "cross_cats_sorted": [
      "math.AG",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2018-01-22T00:43:02Z",
    "title_canon_sha256": "932dcd574cda4f142ff2a9f24df2421b599442c552398b39071197061b6e89df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06921",
    "kind": "arxiv",
    "version": 3
  }
}