Pith Number

pith:KDHTAOUC

pith:2002:KDHTAOUCRNAHJ5GLU3KY6KQOY7

not attested not anchored not stored refs pending

N-Point Deformation of Algebraic K3 Surfaces

Chang-Yeong Lee, Hoil Kim

arxiv:hep-th/0204013 v1 · 2002-04-02 · 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{KDHTAOUCRNAHJ5GLU3KY6KQOY7}

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	2026-05-18T01:38:49.702435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50cf303a828b4074f4cba6d58f2a0ec7e808c9f8c75ed3e217d05a4e804781cf

Aliases

arxiv: hep-th/0204013 · arxiv_version: hep-th/0204013v1 · doi: 10.48550/arxiv.hep-th/0204013 · pith_short_12: KDHTAOUCRNAH · pith_short_16: KDHTAOUCRNAHJ5GL · pith_short_8: KDHTAOUC

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/KDHTAOUCRNAHJ5GLU3KY6KQOY7 \
  | 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: 50cf303a828b4074f4cba6d58f2a0ec7e808c9f8c75ed3e217d05a4e804781cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbad4011d5ad8268eedc9aa5e200ae359c6d1fb30c1930bfcec18ac3708848c6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-04-02T03:13:15Z",
    "title_canon_sha256": "1d77eab42e88cb22ec2ca736ed7628b4c9d27c65c3087976c82fcc64fdc101e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0204013",
    "kind": "arxiv",
    "version": 1
  }
}