Pith Number

pith:U5TETOAO

pith:2011:U5TETOAOKZFAY2N2UZSBEPYSIX

not attested not anchored not stored refs pending

Diagonal Solutions to the 2-Toda Hierarchy

S.R. Carrell

arxiv:1109.1451 v1 · 2011-09-07 · math.CO · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5TETOAOKZFAY2N2UZSBEPYSIX}

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	2026-05-18T04:13:55.680986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a76649b80e564a0c69baa664123f1245ca1369c59ee00391ed0a42fa1b82e520

Aliases

arxiv: 1109.1451 · arxiv_version: 1109.1451v1 · doi: 10.48550/arxiv.1109.1451 · pith_short_12: U5TETOAOKZFA · pith_short_16: U5TETOAOKZFAY2N2 · pith_short_8: U5TETOAO

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/U5TETOAOKZFAY2N2UZSBEPYSIX \
  | 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: a76649b80e564a0c69baa664123f1245ca1369c59ee00391ed0a42fa1b82e520

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e565a703d604de56a052cc1854befb74a9c0d287f52ff882fcdbaea150d2fa34",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-09-07T13:36:45Z",
    "title_canon_sha256": "57b2fa71d8bf2e558cd535f0ece13765a632288d55796b0b216e1a1e64529e5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1451",
    "kind": "arxiv",
    "version": 1
  }
}