Pith Number

pith:TX6EAXUQ

pith:2013:TX6EAXUQQV4CNZPX2QYKWQVUT2

not attested not anchored not stored refs pending

The semi-discrete AKNS system: Conservation laws, reductions and continuum limits

Da-jun Zhang, Junwei Sun, Wei Fu, Zhijun Qiao

arxiv:1307.3671 v1 · 2013-07-13 · 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{TX6EAXUQQV4CNZPX2QYKWQVUT2}

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	2026-05-18T01:41:58.264936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dfc405e90857826e5f7d430ab42b49e8ca89faeb4417ced4fd82dfde263c41e

Aliases

arxiv: 1307.3671 · arxiv_version: 1307.3671v1 · doi: 10.48550/arxiv.1307.3671 · pith_short_12: TX6EAXUQQV4C · pith_short_16: TX6EAXUQQV4CNZPX · pith_short_8: TX6EAXUQ

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/TX6EAXUQQV4CNZPX2QYKWQVUT2 \
  | 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: 9dfc405e90857826e5f7d430ab42b49e8ca89faeb4417ced4fd82dfde263c41e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaa51e83929f57d930db0b53bf126d1e488b78bb75474637989e5c553f301b6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2013-07-13T19:03:16Z",
    "title_canon_sha256": "516359037f76b41905cefa1508ae8bd5f043fdb2dea3f06b5335ce9eaf4455c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3671",
    "kind": "arxiv",
    "version": 1
  }
}