Pith Number

pith:R5FBTIGJ

pith:2014:R5FBTIGJV2S4HEFRW2WXB5RP6Y

not attested not anchored not stored refs pending

Geometry of Farey-Ford polygons

Alexandru Zaharescu, Amita Malik, Jayadev Athreya, Sneha Chaubey

arxiv:1410.4908 v2 · 2014-10-18 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R5FBTIGJV2S4HEFRW2WXB5RP6Y}

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	2026-05-18T01:36:01.824780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f4a19a0c9aea5c390b1b6ad70f62ff63c0f3a43c99c42599098d313d6f49c82

Aliases

arxiv: 1410.4908 · arxiv_version: 1410.4908v2 · doi: 10.48550/arxiv.1410.4908 · pith_short_12: R5FBTIGJV2S4 · pith_short_16: R5FBTIGJV2S4HEFR · pith_short_8: R5FBTIGJ

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/R5FBTIGJV2S4HEFRW2WXB5RP6Y \
  | 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: 8f4a19a0c9aea5c390b1b6ad70f62ff63c0f3a43c99c42599098d313d6f49c82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1224b99043e666d07fc80ceb430805ac65827c2e39a63cc7d64e811d08fbb2f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-10-18T04:54:25Z",
    "title_canon_sha256": "efe8605eb65da1fe65782a344f3aec811a7a3e18bc4122039aff9931ecaed745"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.4908",
    "kind": "arxiv",
    "version": 2
  }
}