Pith Number

pith:YMBJ5LFH

pith:2026:YMBJ5LFHJWHAEAET7RDOSHMDVL

not attested not anchored not stored refs pending

Flash evaporation Riemann Problem: Formulation and its Exact Solution

Guoyan Zhao, Haotong Bai, Mingbo Sun, Ping Yi, Wenjia Xie, Yixin Yang

arxiv:2601.18404 v1 · 2026-01-26 · physics.flu-dyn · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YMBJ5LFHJWHAEAET7RDOSHMDVL}

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	2026-07-09T01:19:51.243499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3029eaca74d8e020093fc46e91d83aaf8a9ab590e016004351ba695b54a882f

Aliases

arxiv: 2601.18404 · arxiv_version: 2601.18404v1 · doi: 10.48550/arxiv.2601.18404 · pith_short_12: YMBJ5LFHJWHA · pith_short_16: YMBJ5LFHJWHAEAET · pith_short_8: YMBJ5LFH

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/YMBJ5LFHJWHAEAET7RDOSHMDVL \
  | 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: c3029eaca74d8e020093fc46e91d83aaf8a9ab590e016004351ba695b54a882f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75178f85efb7f56d6b9f6328622a35c651e2c30b4cd1cfa700275676a25cd1f5",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-01-26T11:59:43Z",
    "title_canon_sha256": "5c5846e60292b34f7b13e3af9810e8bd646af2b1917b4ec7e6f6d827f212f6aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.18404",
    "kind": "arxiv",
    "version": 1
  }
}