Pith Number

pith:27N5QPVP

pith:2010:27N5QPVPDBVUGXJ26KMYTUJJ6J

not attested not anchored not stored refs pending

UC hierarchy and monodromy preserving deformation

Teruhisa Tsuda

arxiv:1007.3450 v2 · 2010-07-20 · math.CA · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{27N5QPVPDBVUGXJ26KMYTUJJ6J}

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	2026-05-18T04:03:32.605286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7dbd83eaf186b435d3af29989d129f245ad75735ac911fa2bfc8fef63befdc5

Aliases

arxiv: 1007.3450 · arxiv_version: 1007.3450v2 · doi: 10.48550/arxiv.1007.3450 · pith_short_12: 27N5QPVPDBVU · pith_short_16: 27N5QPVPDBVUGXJ2 · pith_short_8: 27N5QPVP

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/27N5QPVPDBVUGXJ26KMYTUJJ6J \
  | 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: d7dbd83eaf186b435d3af29989d129f245ad75735ac911fa2bfc8fef63befdc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b01da53549da880d6d03e2415bb8b1babfb26b09174b631b9ab817adfa3b8720",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2010-07-20T15:35:55Z",
    "title_canon_sha256": "8a5f9b4cb25e05b1d6a5bd11731ffed9118d7f783fd37e29af1bb22178c22f35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3450",
    "kind": "arxiv",
    "version": 2
  }
}