Pith Number

pith:2TQZIGS6

pith:2011:2TQZIGS6TQDA73MFODWUHV65AK

not attested not anchored not stored refs pending

A variational Analysis of the Toda System on Compact Surfaces

Andrea Malchiodi, David Ruiz

arxiv:1105.3701 v2 · 2011-05-18 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2TQZIGS6TQDA73MFODWUHV65AK}

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	2026-05-18T04:07:52.572918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4e1941a5e9c060fed8570ed43d7dd0283d04e5f2721f65be8ab88a74bdd2f6a

Aliases

arxiv: 1105.3701 · arxiv_version: 1105.3701v2 · doi: 10.48550/arxiv.1105.3701 · pith_short_12: 2TQZIGS6TQDA · pith_short_16: 2TQZIGS6TQDA73MF · pith_short_8: 2TQZIGS6

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/2TQZIGS6TQDA73MFODWUHV65AK \
  | 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: d4e1941a5e9c060fed8570ed43d7dd0283d04e5f2721f65be8ab88a74bdd2f6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a587b0ed1bdb2b4b45bddb33bc6072b6d125cbb518bf128d168dfbc0b943e44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-05-18T18:18:12Z",
    "title_canon_sha256": "38740d8234968e513627e32acce91713d82a3e167298b497c89d30269e72a1f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3701",
    "kind": "arxiv",
    "version": 2
  }
}