Pith Number

pith:4TAKZRBI

pith:1994:4TAKZRBIY2R4HASUCF6MZV5DGB

not attested not anchored not stored refs pending

The topological string associated with a simple singularity of type $D$

Toshio Nakatsu

arxiv:hep-th/9408051 v2 · 1994-08-09 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4TAKZRBIY2R4HASUCF6MZV5DGB}

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	2026-05-18T02:36:04.307221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4c0acc428c6a3c38254117cccd7a330631dca40907de447f86b494ce2b74a58

Aliases

arxiv: hep-th/9408051 · arxiv_version: hep-th/9408051v2 · doi: 10.48550/arxiv.hep-th/9408051 · pith_short_12: 4TAKZRBIY2R4 · pith_short_16: 4TAKZRBIY2R4HASU · pith_short_8: 4TAKZRBI

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/4TAKZRBIY2R4HASUCF6MZV5DGB \
  | 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: e4c0acc428c6a3c38254117cccd7a330631dca40907de447f86b494ce2b74a58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d34c3210a247d68438d55a749bd13023f9e6c1b2ab4e7294085c16f92efcd53d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1994-08-09T08:47:05Z",
    "title_canon_sha256": "b4c39115ed64044156f0c4769ab895a8fea81d2aeca86f67c8b6543a991d8a4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9408051",
    "kind": "arxiv",
    "version": 2
  }
}