Pith Number

pith:GAPB4Q4N

pith:2020:GAPB4Q4NYFZIUDY5G367OSPQIP

not attested not anchored not stored refs pending

Algebraic aspects of hypergeometric differential equations

Christian Sevenheck, Mathias Schulze, Thomas Reichelt, Uli Walther

arxiv:2004.07262 v2 · 2020-04-15 · 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{GAPB4Q4NYFZIUDY5G367OSPQIP}

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	2026-07-05T11:04:32.252158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

301e1e438dc1728a0f1d36fdf749f043f695439e25772d30aa5f7a5ed3aa78f2

Aliases

arxiv: 2004.07262 · arxiv_version: 2004.07262v2 · doi: 10.48550/arxiv.2004.07262 · pith_short_12: GAPB4Q4NYFZI · pith_short_16: GAPB4Q4NYFZIUDY5 · pith_short_8: GAPB4Q4N

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/GAPB4Q4NYFZIUDY5G367OSPQIP \
  | 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: 301e1e438dc1728a0f1d36fdf749f043f695439e25772d30aa5f7a5ed3aa78f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eca91990ed7c44dbb03de87f1bc4d319736ba09110d60bdecbc573fdcbcf5afe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-04-15T18:00:37Z",
    "title_canon_sha256": "122c3179a542ebd62b5d974a81602627776514da09967dfb731e558d415f3f44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.07262",
    "kind": "arxiv",
    "version": 2
  }
}