Pith Number

pith:LJF4HKQI

pith:2023:LJF4HKQIMYXMZFO2U6CYZM5H3U

not attested not anchored not stored refs pending

Solving Riemann Problems with a Topological Tool (Extended version)

Bradley J. Plohr, Carlos F.B. Palmeira, Cesar S. Eschenazi, Dan Marchesin, Marlon M. L\'opez-Flores, Wanderson J. Lambert

arxiv:2312.17377 v3 · 2023-12-28 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJF4HKQIMYXMZFO2U6CYZM5H3U}

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	2026-07-05T09:30:58.435609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a4bc3aa08662ecc95daa7858cb3a7dd1f7dc39c8930e67d5617716534604dd2

Aliases

arxiv: 2312.17377 · arxiv_version: 2312.17377v3 · doi: 10.48550/arxiv.2312.17377 · pith_short_12: LJF4HKQIMYXM · pith_short_16: LJF4HKQIMYXMZFO2 · pith_short_8: LJF4HKQI

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/LJF4HKQIMYXMZFO2U6CYZM5H3U \
  | 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: 5a4bc3aa08662ecc95daa7858cb3a7dd1f7dc39c8930e67d5617716534604dd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f64571464851ccf0e67ff12f54f01d740e69c1b0cdf38dd6e42587333aa74259",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2023-12-28T21:55:02Z",
    "title_canon_sha256": "8f5e05b7a6c83450ddb5f52616d2267fa2de857442727d70989dd1ba6d158665"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.17377",
    "kind": "arxiv",
    "version": 3
  }
}