Pith Number

pith:5I7HJNQY

pith:2010:5I7HJNQYCFXEP7KLFQMDOBMUUQ

not attested not anchored not stored refs pending

Nilsson solutions for irregular A-hypergeometric systems

Alicia Dickenstein, Federico Nicol\'as Mart\'inez, Laura Felicia Matusevich

arxiv:1007.4225 v2 · 2010-07-23 · math.AG · math.AC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5I7HJNQYCFXEP7KLFQMDOBMUUQ}

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	2026-05-18T04:02:25.334733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea3e74b618116e47fd4b2c18370594a42c89af81de90b7deadf170a52ed43a59

Aliases

arxiv: 1007.4225 · arxiv_version: 1007.4225v2 · doi: 10.48550/arxiv.1007.4225 · pith_short_12: 5I7HJNQYCFXE · pith_short_16: 5I7HJNQYCFXEP7KL · pith_short_8: 5I7HJNQY

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/5I7HJNQYCFXEP7KLFQMDOBMUUQ \
  | 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: ea3e74b618116e47fd4b2c18370594a42c89af81de90b7deadf170a52ed43a59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "327ee4cd2586a4543c371010493f31f226dacf22fe0b1decb51411a268a461de",
    "cross_cats_sorted": [
      "math.AC",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-07-23T22:23:28Z",
    "title_canon_sha256": "b937d444ca5e09435bace5c25ed7632e9feda15e976b96eacaf3c939efc6735b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.4225",
    "kind": "arxiv",
    "version": 2
  }
}