Pith Number

pith:Q2ODYI4N

pith:2010:Q2ODYI4N3BJGBYIH2BBS7EJH45

not attested not anchored not stored refs pending

Exchange between perverse and weight filtration for the Hilbert schemes of points of two surfaces

Luca Migliorini, Mark Andrea A. de Cataldo, Tamas Hausel

arxiv:1012.2583 v1 · 2010-12-12 · 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{Q2ODYI4N3BJGBYIH2BBS7EJH45}

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	2026-05-18T04:33:28.281723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

869c3c238dd85260e107d0432f9127e7582489b2029502e9cdbfeaaa01877d55

Aliases

arxiv: 1012.2583 · arxiv_version: 1012.2583v1 · doi: 10.48550/arxiv.1012.2583 · pith_short_12: Q2ODYI4N3BJG · pith_short_16: Q2ODYI4N3BJGBYIH · pith_short_8: Q2ODYI4N

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/Q2ODYI4N3BJGBYIH2BBS7EJH45 \
  | 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: 869c3c238dd85260e107d0432f9127e7582489b2029502e9cdbfeaaa01877d55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6de978ec4fa21e00332a8420df94b6864289e2b34b2dcdcbb217168b6623cd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-12-12T20:05:33Z",
    "title_canon_sha256": "102c592fba7081c8d734b6cab952e16d64ed6d5ca865659453ed797529f4a771"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2583",
    "kind": "arxiv",
    "version": 1
  }
}