Pith Number

pith:B36R6LRL

pith:2013:B36R6LRLTWDWXYQG2CGR6K4U2O

not attested not anchored not stored refs pending

Binary Tree Arithmetic with Generalized Constructors

Paul Tarau

arxiv:1301.0128 v1 · 2013-01-01 · cs.MS · cs.DM · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B36R6LRLTWDWXYQG2CGR6K4U2O}

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	2026-05-18T03:37:28.129573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0efd1f2e2b9d876be206d08d1f2b94d390a322c5c9918e656c9a3887a294451b

Aliases

arxiv: 1301.0128 · arxiv_version: 1301.0128v1 · doi: 10.48550/arxiv.1301.0128 · pith_short_12: B36R6LRLTWDW · pith_short_16: B36R6LRLTWDWXYQG · pith_short_8: B36R6LRL

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/B36R6LRLTWDWXYQG2CGR6K4U2O \
  | 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: 0efd1f2e2b9d876be206d08d1f2b94d390a322c5c9918e656c9a3887a294451b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5180286ebba5a5d3b57ab41a88b552728debd3833ed0fa3c9243f2c2ee7f263b",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2013-01-01T19:58:26Z",
    "title_canon_sha256": "c55e7d3f8f34eb07426ab3d82aaba0ba0ec6d869768560cb097315faff20b09f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0128",
    "kind": "arxiv",
    "version": 1
  }
}