Pith Number

pith:QAQGKVQ6

pith:2015:QAQGKVQ62IC4TMIACLEFXA3E7N

not attested not anchored not stored refs pending

An integrable semi-discretization of the coupled Yajima--Oikawa system

Bao-feng Feng, Junchao Chen, Ken-ichi Maruno, Yasuhiro Ohta, Yong Chen

arxiv:1509.06996 v1 · 2015-09-21 · 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{QAQGKVQ62IC4TMIACLEFXA3E7N}

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	2026-05-18T01:32:17.243481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

802065561ed205c9b10012c85b8364fb69f0237307572f86f66667225e6713fa

Aliases

arxiv: 1509.06996 · arxiv_version: 1509.06996v1 · doi: 10.48550/arxiv.1509.06996 · pith_short_12: QAQGKVQ62IC4 · pith_short_16: QAQGKVQ62IC4TMIA · pith_short_8: QAQGKVQ6

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/QAQGKVQ62IC4TMIACLEFXA3E7N \
  | 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: 802065561ed205c9b10012c85b8364fb69f0237307572f86f66667225e6713fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71ba0fbd49baeae6271a972d1fdd1edebc9d692d22de3eaed022ebacf0e7073e",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2015-09-21T09:07:16Z",
    "title_canon_sha256": "d564292b2858b569c9a4667ec067e4b9ab4c0b0be15fc642b873ce106b09e0ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06996",
    "kind": "arxiv",
    "version": 1
  }
}