Pith Number

pith:4ZII3ZBF

pith:2021:4ZII3ZBF5TW4RXCLV2QBUU2D4M

not attested not anchored not stored refs pending

Modulation instability, conservation laws and localized waves for the generalized coupled Fokas-Lenells equation

Yong Chen, Yunfei Yue

arxiv:2104.10306 v1 · 2021-04-21 · nlin.SI · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ZII3ZBF5TW4RXCLV2QBUU2D4M}

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	2026-07-05T02:34:00.947473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6508de425ecedc8dc4baea01a5343e30f7602373b57160287a6466284d6ff72

Aliases

arxiv: 2104.10306 · arxiv_version: 2104.10306v1 · doi: 10.48550/arxiv.2104.10306 · pith_short_12: 4ZII3ZBF5TW4 · pith_short_16: 4ZII3ZBF5TW4RXCL · pith_short_8: 4ZII3ZBF

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/4ZII3ZBF5TW4RXCLV2QBUU2D4M \
  | 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: e6508de425ecedc8dc4baea01a5343e30f7602373b57160287a6466284d6ff72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bfa2165437e269edb45ad2c77b6a47335dfa6997b6974e87072e93c5618b7e3",
    "cross_cats_sorted": [
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2021-04-21T01:41:35Z",
    "title_canon_sha256": "11a62b9ea488a994a6474485e31567f741742aee98f68bf8c86950b7c035c949"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.10306",
    "kind": "arxiv",
    "version": 1
  }
}