Pith Number

pith:QL4YMDIX

pith:2024:QL4YMDIX42KWKNQ44RJMH45S6B

not attested not anchored not stored refs pending

An integrable pseudospherical equation with pseudo-peakon solutions

Igor Leite Freire, Nazime Sales Filho, Priscila Leal da Silva

arxiv:2409.01537 v2 · 2024-09-03 · math-ph · math.AP · math.MP · 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{QL4YMDIX42KWKNQ44RJMH45S6B}

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	2026-07-05T09:50:51.572608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82f9860d17e69565361ce452c3f3b2f0718eb7ef920c5a20be0708776281c915

Aliases

arxiv: 2409.01537 · arxiv_version: 2409.01537v2 · doi: 10.48550/arxiv.2409.01537 · pith_short_12: QL4YMDIX42KW · pith_short_16: QL4YMDIX42KWKNQ4 · pith_short_8: QL4YMDIX

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/QL4YMDIX42KWKNQ44RJMH45S6B \
  | 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: 82f9860d17e69565361ce452c3f3b2f0718eb7ef920c5a20be0708776281c915

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ba475a824dc33fe1e77787cd0dba6a0f5146b2d727bc91e456a099ec97871ea",
    "cross_cats_sorted": [
      "math.AP",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2024-09-03T02:13:57Z",
    "title_canon_sha256": "5b104667daa5b17426b955760eee4b650c13c18417e108419ab40ae2103e1ea0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.01537",
    "kind": "arxiv",
    "version": 2
  }
}