Pith Number

pith:DSSAXH3E

pith:2004:DSSAXH3EEWKHJNGNCQOYW5F5D4

not attested not anchored not stored refs pending

Hilbert schemes of points on the minimal resolution and soliton equations

Weiqiang Wang, Zhenbo Qin

arxiv:math/0404540 v2 · 2004-04-29 · math.QA · 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{DSSAXH3EEWKHJNGNCQOYW5F5D4}

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	2026-05-18T04:08:42.944941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ca40b9f64259474b4cd141d8b74bd1f20b4eb588ab9cd7ab3757c598e0bacd6

Aliases

arxiv: math/0404540 · arxiv_version: math/0404540v2 · doi: 10.48550/arxiv.math/0404540 · pith_short_12: DSSAXH3EEWKH · pith_short_16: DSSAXH3EEWKHJNGN · pith_short_8: DSSAXH3E

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/DSSAXH3EEWKHJNGNCQOYW5F5D4 \
  | 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: 1ca40b9f64259474b4cd141d8b74bd1f20b4eb588ab9cd7ab3757c598e0bacd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b46ba4fd38c80ae0448fb4860fa56d769a925b34d2c232f846b7b45092331ed",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "math.QA",
    "submitted_at": "2004-04-29T20:43:36Z",
    "title_canon_sha256": "8369119ccf2eca745a7d28e14a27b35bee1a53c260178cf4f55c192cd6588e41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0404540",
    "kind": "arxiv",
    "version": 2
  }
}