Pith Number

pith:FZWCSNFF

pith:2012:FZWCSNFFVCD3W52B4OXYEHE2IU

not attested not anchored not stored refs pending

Functional representation of the negative AKNS hierarchy

V.E. Vekslerchik

arxiv:1209.0159 v1 · 2012-09-02 · nlin.SI · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZWCSNFFVCD3W52B4OXYEHE2IU}

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	2026-05-18T03:41:19.980330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e6c2934a5a887bb7741e3af821c9a450a6d48675ec780381c47a818bfe332c2

Aliases

arxiv: 1209.0159 · arxiv_version: 1209.0159v1 · doi: 10.48550/arxiv.1209.0159 · pith_short_12: FZWCSNFFVCD3 · pith_short_16: FZWCSNFFVCD3W52B · pith_short_8: FZWCSNFF

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/FZWCSNFFVCD3W52B4OXYEHE2IU \
  | 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: 2e6c2934a5a887bb7741e3af821c9a450a6d48675ec780381c47a818bfe332c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08d0dcf5dcdd58db8759a825f4e9f9be688134fef95d956a0737f1f5d142e3bf",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2012-09-02T09:16:20Z",
    "title_canon_sha256": "584cf5a1c543adf3ab852416b3e039849c4fefdf22274248276f095dc3feb694"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0159",
    "kind": "arxiv",
    "version": 1
  }
}