Pith Number

pith:FYCECTG7

pith:2016:FYCECTG77Z6AZRTDATIBPNENGJ

not attested not anchored not stored refs pending

A formula for the convergents of a continued fraction of Ramanujan

Gaurav Bhatnagar, Michael D. Hirschhorn

arxiv:1603.07664 v1 · 2016-03-24 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FYCECTG77Z6AZRTDATIBPNENGJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:18:20.187248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e04414cdffe7c0cc66304d017b48d32659ab06060cbb41a309cab389cc3538d

Aliases

arxiv: 1603.07664 · arxiv_version: 1603.07664v1 · doi: 10.48550/arxiv.1603.07664 · pith_short_12: FYCECTG77Z6A · pith_short_16: FYCECTG77Z6AZRTD · pith_short_8: FYCECTG7

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/FYCECTG77Z6AZRTDATIBPNENGJ \
  | 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: 2e04414cdffe7c0cc66304d017b48d32659ab06060cbb41a309cab389cc3538d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c126ccfc29b96c580eb61802c8f86d56641dc122a8adf8db527281a38cbf797",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2016-03-24T17:01:38Z",
    "title_canon_sha256": "ddb8fbf999a23bb26c0a8bcca8f385ea7a53a8ade19c21caaabb5921162a4308"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07664",
    "kind": "arxiv",
    "version": 1
  }
}