Pith Number

pith:MHKIJ6LE

pith:2009:MHKIJ6LEHFSIETDDKPH6CG6OLE

not attested not anchored not stored refs pending

The tangential map and associated integrable equations

V.E. Adler

arxiv:0906.1425 v1 · 2009-06-08 · nlin.SI · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MHKIJ6LEHFSIETDDKPH6CG6OLE}

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	2026-05-18T03:45:51.911721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61d484f9643964824c6353cfe11bce591a049a3810c356331072b07840683cc6

Aliases

arxiv: 0906.1425 · arxiv_version: 0906.1425v1 · doi: 10.48550/arxiv.0906.1425 · pith_short_12: MHKIJ6LEHFSI · pith_short_16: MHKIJ6LEHFSIETDD · pith_short_8: MHKIJ6LE

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/MHKIJ6LEHFSIETDDKPH6CG6OLE \
  | 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: 61d484f9643964824c6353cfe11bce591a049a3810c356331072b07840683cc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15e58bf7c4595aad096fd1c9289b8256f97e8ffcc2a7996d536c71d38850e2aa",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2009-06-08T07:53:48Z",
    "title_canon_sha256": "d28573e9c6547c512277d4c1c5b41369d18b9b6e7eb9344f1ba888f6953dbe33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1425",
    "kind": "arxiv",
    "version": 1
  }
}