Pith Number

pith:KGO7KTXV

pith:2007:KGO7KTXVK4SYXKEO6IMNJ25ZWW

not attested not anchored not stored refs pending

Hitchin integrable systems, deformations of spectral curves, and KP-type equations

Andrew R. Hodge, Motohico Mulase

arxiv:0801.0015 v3 · 2007-12-28 · math.AG · math-ph · math.MP · 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{KGO7KTXVK4SYXKEO6IMNJ25ZWW}

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	2026-05-18T04:39:59.850419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

519df54ef557258ba88ef218d4ebb9b5bd5437876e1c6f8507618c64d849a23f

Aliases

arxiv: 0801.0015 · arxiv_version: 0801.0015v3 · doi: 10.48550/arxiv.0801.0015 · pith_short_12: KGO7KTXVK4SY · pith_short_16: KGO7KTXVK4SYXKEO · pith_short_8: KGO7KTXV

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/KGO7KTXVK4SYXKEO6IMNJ25ZWW \
  | 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: 519df54ef557258ba88ef218d4ebb9b5bd5437876e1c6f8507618c64d849a23f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62aad16bf30ec77b7a43a644fd3692b921d00a82db8d292f1c1489c7f27b14f2",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2007-12-28T23:36:46Z",
    "title_canon_sha256": "db4422e327320fc16ee4dd3ca80917983a8b2e44ce9abbee9a5d7f450021bc05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.0015",
    "kind": "arxiv",
    "version": 3
  }
}