Pith Number

pith:ILLW5X4M

pith:2019:ILLW5X4MD45RK2JWV7SQ5HCMBX

not attested not anchored not stored refs pending

Time-dependent defects in integrable soliton equations

Baoqiang Xia, Ruguang Zhou

arxiv:1908.05578 v1 · 2019-08-15 · 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{ILLW5X4MD45RK2JWV7SQ5HCMBX}

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	2026-07-05T01:14:27.369831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42d76edf8c1f3b156936afe50e9c4c0dd108414675403bb54665ae7b6005f142

Aliases

arxiv: 1908.05578 · arxiv_version: 1908.05578v1 · doi: 10.48550/arxiv.1908.05578 · pith_short_12: ILLW5X4MD45R · pith_short_16: ILLW5X4MD45RK2JW · pith_short_8: ILLW5X4M

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/ILLW5X4MD45RK2JWV7SQ5HCMBX \
  | 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: 42d76edf8c1f3b156936afe50e9c4c0dd108414675403bb54665ae7b6005f142

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d57d0a1de3dc35a1f61463aa225caa3a62f627e58a2150a4985bc641fa177ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2019-08-15T15:14:14Z",
    "title_canon_sha256": "833dfb39208eada7d727e54f5819c8cc69d1ff7acee406ce99efa5f911ba906a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05578",
    "kind": "arxiv",
    "version": 1
  }
}