Pith Number

pith:LQTAWOBR

pith:2011:LQTAWOBRDE75MOF3NBHBBNOSKH

not attested not anchored not stored refs pending

Extracting Invariants of Isolated Hypersurface Singularities from their Moduli Algebras

A. V. Isaev, M. G. Eastwood

arxiv:1110.2559 v2 · 2011-10-12 · 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{LQTAWOBRDE75MOF3NBHBBNOSKH}

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	2026-05-18T03:52:12.165636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c260b3831193fd638bb684e10b5d251c159ff4b6b280410094a9a4929cadc45

Aliases

arxiv: 1110.2559 · arxiv_version: 1110.2559v2 · doi: 10.48550/arxiv.1110.2559 · pith_short_12: LQTAWOBRDE75 · pith_short_16: LQTAWOBRDE75MOF3 · pith_short_8: LQTAWOBR

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/LQTAWOBRDE75MOF3NBHBBNOSKH \
  | 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: 5c260b3831193fd638bb684e10b5d251c159ff4b6b280410094a9a4929cadc45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6820ee473c2f16fd00fe2529483cc323932fb3d7358de587569f41f6aba9ed17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2011-10-12T03:29:21Z",
    "title_canon_sha256": "4e61efd4ab1204feff9886a4e2cf4edb7bfe93efbab2581330cff4d880c8b2f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2559",
    "kind": "arxiv",
    "version": 2
  }
}