Pith Number

pith:IMX74U6M

pith:2009:IMX74U6MAT2H6P7W7DEVBHLQZJ

not attested not anchored not stored refs pending

A Note on the 2F1 Hypergeometric Function

Armen Bagdasaryan

arxiv:0912.0917 v1 · 2009-12-04 · math.CA · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IMX74U6MAT2H6P7W7DEVBHLQZJ}

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	2026-05-18T04:42:44.624875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

432ffe53cc04f47f3ff6f8c9509d70ca51951e2778108d0f8360bafa5f6ba939

Aliases

arxiv: 0912.0917 · arxiv_version: 0912.0917v1 · doi: 10.48550/arxiv.0912.0917 · pith_short_12: IMX74U6MAT2H · pith_short_16: IMX74U6MAT2H6P7W · pith_short_8: IMX74U6M

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/IMX74U6MAT2H6P7W7DEVBHLQZJ \
  | 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: 432ffe53cc04f47f3ff6f8c9509d70ca51951e2778108d0f8360bafa5f6ba939

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2030397ee075dd6adc2b92df9af62c46e52a0285b80374d0d93a882096689fc9",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2009-12-04T19:04:19Z",
    "title_canon_sha256": "86b8f14b9ee944468baea03c50eb7712b0fc9758524741bc6d2e99ea317ea20f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0917",
    "kind": "arxiv",
    "version": 1
  }
}