Pith Number

pith:3YWY57OX

pith:2015:3YWY57OXW2MH2RQ2C4YDOHJ3T7

not attested not anchored not stored refs pending

Counting non-standard binary representations

Katie Anders

arxiv:1509.01285 v1 · 2015-09-03 · 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{3YWY57OXW2MH2RQ2C4YDOHJ3T7}

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	2026-05-18T01:33:58.075870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de2d8efdd7b6987d461a1730371d3b9fd57dde1c11dc973ddf6481eff2f1d2db

Aliases

arxiv: 1509.01285 · arxiv_version: 1509.01285v1 · doi: 10.48550/arxiv.1509.01285 · pith_short_12: 3YWY57OXW2MH · pith_short_16: 3YWY57OXW2MH2RQ2 · pith_short_8: 3YWY57OX

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/3YWY57OXW2MH2RQ2C4YDOHJ3T7 \
  | 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: de2d8efdd7b6987d461a1730371d3b9fd57dde1c11dc973ddf6481eff2f1d2db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91b8eeac06fbc5c78ed475069d690ab068373ae7e62d25dea02b6947f71c22c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2015-09-03T21:46:25Z",
    "title_canon_sha256": "b0b219487e58c8f8094b4209a1075d8b9ffca1838c837ecbf9d5fa9d66cd1c58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01285",
    "kind": "arxiv",
    "version": 1
  }
}