Pith Number

pith:B34IZQXI

pith:2021:B34IZQXINCAIZGPRQDMQEVUATO

not attested not anchored not stored refs pending

Binary Signed-Digit Integers and the Stern Diatomic Sequence

Laura Monroe

arxiv:2108.11495 v2 · 2021-08-25 · math.NT · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B34IZQXINCAIZGPRQDMQEVUATO}

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	2026-07-05T03:20:23.063974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ef88cc2e868808c99f180d90256809b975bd91f6ac7a3f5c0f51e596886fb13

Aliases

arxiv: 2108.11495 · arxiv_version: 2108.11495v2 · doi: 10.48550/arxiv.2108.11495 · pith_short_12: B34IZQXINCAI · pith_short_16: B34IZQXINCAIZGPR · pith_short_8: B34IZQXI

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/B34IZQXINCAIZGPRQDMQEVUATO \
  | 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: 0ef88cc2e868808c99f180d90256809b975bd91f6ac7a3f5c0f51e596886fb13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dddd14f22f618a343e7e02f141a101fe12afb947c333f0fb56f25f3d3f0416a",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2021-08-25T22:15:14Z",
    "title_canon_sha256": "c2af2e150e2d46c495fd8f08b7ee2d1234703537bd976f037299c292ed4befc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.11495",
    "kind": "arxiv",
    "version": 2
  }
}