Pith Number

pith:4Z6SU53B

pith:2004:4Z6SU53BTIDONTCZGY25AHIPSP

not attested not anchored not stored refs pending

Symplectic desingularization of moduli space of sheaves on a K3 surface

Young-Hoon Kiem

arxiv:math/0404453 v1 · 2004-04-26 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4Z6SU53BTIDONTCZGY25AHIPSP}

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	2026-07-04T14:38:33.699686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e67d2a77619a06e6cc593635d01d0f93d4fbd8b7e411c49f9f747c71e9821531

Aliases

arxiv: math/0404453 · arxiv_version: math/0404453v1 · doi: 10.48550/arxiv.math/0404453 · pith_short_12: 4Z6SU53BTIDO · pith_short_16: 4Z6SU53BTIDONTCZ · pith_short_8: 4Z6SU53B

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/4Z6SU53BTIDONTCZGY25AHIPSP \
  | 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: e67d2a77619a06e6cc593635d01d0f93d4fbd8b7e411c49f9f747c71e9821531

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "171de557c47d03c39b83b6c354c691263ad2f520ee1a7827981fb9b83d1de725",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2004-04-26T05:30:24Z",
    "title_canon_sha256": "d440bb92a352c8750082b5b217097a8201935353e98498d3bb1345a0906794ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0404453",
    "kind": "arxiv",
    "version": 1
  }
}