Pith Number

pith:NZJADACX

pith:2007:NZJADACXD26IVPLK26VIEMZWLH

not attested not anchored not stored refs pending

Combination of inverse spectral transform method and method of characteristics: deformed Pohlmeyer equation

A. I. Zenchuk

arxiv:0709.1196 v2 · 2007-09-08 · 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{NZJADACXD26IVPLK26VIEMZWLH}

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	2026-05-18T02:16:11.416407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e520180571ebc8abd6ad7aa82333659e06eb83e76e96e2d7990498f386880f8

Aliases

arxiv: 0709.1196 · arxiv_version: 0709.1196v2 · doi: 10.48550/arxiv.0709.1196 · pith_short_12: NZJADACXD26I · pith_short_16: NZJADACXD26IVPLK · pith_short_8: NZJADACX

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/NZJADACXD26IVPLK26VIEMZWLH \
  | 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: 6e520180571ebc8abd6ad7aa82333659e06eb83e76e96e2d7990498f386880f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83e71bc3fd7a2ec5544b160d1d4ef41ca652708b70da32080eb101f26694f11f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2007-09-08T09:59:45Z",
    "title_canon_sha256": "edae7734fac7e053924e3e477d87988ec81dd3317ac782ed149add7c52ef1291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.1196",
    "kind": "arxiv",
    "version": 2
  }
}