Pith Number

pith:SD4HFVRP

pith:2019:SD4HFVRPXK4J7334XYJN26TKNX

not attested not anchored not stored refs pending

The Ramanujan Machine: Automatically Generated Conjectures on Fundamental Constants

Doron Haviv, Gal Raayoni, George Pisha, Ido Kaminer, Shahar Gottlieb, Uri Mendlovic, Yahel Manor, Yaron Hadad, Yoav Harris

arxiv:1907.00205 v4 · 2019-06-29 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SD4HFVRPXK4J7334XYJN26TKNX}

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	2026-07-05T02:35:48.985961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90f872d62fbab89fef7cbe12dd7a6a6dd79cc03433a4d85feff0ea5018353ec3

Aliases

arxiv: 1907.00205 · arxiv_version: 1907.00205v4 · doi: 10.48550/arxiv.1907.00205 · pith_short_12: SD4HFVRPXK4J · pith_short_16: SD4HFVRPXK4J7334 · pith_short_8: SD4HFVRP

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/SD4HFVRPXK4J7334XYJN26TKNX \
  | 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: 90f872d62fbab89fef7cbe12dd7a6a6dd79cc03433a4d85feff0ea5018353ec3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58fae618e7655ebd259236d8ff8c6a961ff9caf08da1290154ee95354721409c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-29T13:39:10Z",
    "title_canon_sha256": "7a0bced28663f01b280953600768d623840c4e9e9e8d84c603aa10782798708f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00205",
    "kind": "arxiv",
    "version": 4
  }
}