Pith Number

pith:QH7XENJF

pith:2017:QH7XENJFC3LKM2VXNFKZCBNGFX

not attested not anchored not stored refs pending

An initial-boundary value problem for the coupled focusing-defocusing complex short pulse equation with a $4\times4$ Lax pair

Beibei Hu, Tiecheng Xia, Wen-Xiu Ma

arxiv:1712.06449 v1 · 2017-12-15 · 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{QH7XENJFC3LKM2VXNFKZCBNGFX}

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	2026-05-18T00:27:47.848813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81ff72352516d6a66ab769559105a62dc029852ae6dd5af53b806935b64b4369

Aliases

arxiv: 1712.06449 · arxiv_version: 1712.06449v1 · doi: 10.48550/arxiv.1712.06449 · pith_short_12: QH7XENJFC3LK · pith_short_16: QH7XENJFC3LKM2VX · pith_short_8: QH7XENJF

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/QH7XENJFC3LKM2VXNFKZCBNGFX \
  | 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: 81ff72352516d6a66ab769559105a62dc029852ae6dd5af53b806935b64b4369

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42b2a0b3864ee6bb748c5aed35daa0574c47df010ce554f1b95d2e9c94e779cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2017-12-15T14:07:22Z",
    "title_canon_sha256": "4060088e71c6efa6e2539b48143c8b306b5b9050ece2f294c572523180514d73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06449",
    "kind": "arxiv",
    "version": 1
  }
}