Pith Number

pith:2Y7F3E2E

pith:2018:2Y7F3E2EISAD7FGN63YZWYKKJR

not attested not anchored not stored refs pending

Crazy Sequential Representations of Numbers for Small Bases

Tim Wylie

arxiv:1810.05070 v1 · 2018-10-11 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2Y7F3E2EISAD7FGN63YZWYKKJR}

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	2026-05-18T00:03:35.035683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d63e5d934444803f94cdf6f19b614a4c7b219fafdf8ce66a76a8311ea6530542

Aliases

arxiv: 1810.05070 · arxiv_version: 1810.05070v1 · doi: 10.48550/arxiv.1810.05070 · pith_short_12: 2Y7F3E2EISAD · pith_short_16: 2Y7F3E2EISAD7FGN · pith_short_8: 2Y7F3E2E

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/2Y7F3E2EISAD7FGN63YZWYKKJR \
  | 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: d63e5d934444803f94cdf6f19b614a4c7b219fafdf8ce66a76a8311ea6530542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8135b03d7821134cacf9ad67ee085f1c52add8fc1f3f201710048754c0e676d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2018-10-11T15:11:40Z",
    "title_canon_sha256": "8a97c95897b08475eee4eaac157c110835541657c565eab402eb6156be604f78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05070",
    "kind": "arxiv",
    "version": 1
  }
}