Pith Number

pith:GJWFLYER

pith:2018:GJWFLYER4FTA2M6M3XLIDEHH4T

not attested not anchored not stored refs pending

The Farey Maps Modulo N

David Singerman, James Strudwick

arxiv:1803.08851 v1 · 2018-03-23 · math.GR · math.CO · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GJWFLYER4FTA2M6M3XLIDEHH4T}

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	2026-05-18T00:20:18.393309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

326c55e091e1660d33ccddd68190e7e4f51c91bd5279ac0b32ee378b8c0d0f11

Aliases

arxiv: 1803.08851 · arxiv_version: 1803.08851v1 · doi: 10.48550/arxiv.1803.08851 · pith_short_12: GJWFLYER4FTA · pith_short_16: GJWFLYER4FTA2M6M · pith_short_8: GJWFLYER

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/GJWFLYER4FTA2M6M3XLIDEHH4T \
  | 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: 326c55e091e1660d33ccddd68190e7e4f51c91bd5279ac0b32ee378b8c0d0f11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4c6bfffd54eefcd625b5bf5c24d014e6aaaef298466a07eb954a80ee7bd5dc6",
    "cross_cats_sorted": [
      "math.CO",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-03-23T15:56:37Z",
    "title_canon_sha256": "97edf1bc6f0e17eb19ef9733f2f66e9f4cf95d204dc3de59649afcc99ef35afc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08851",
    "kind": "arxiv",
    "version": 1
  }
}