Pith Number

pith:YMCWHCSF

pith:2026:YMCWHCSFBSHUW2LEAYKRPXP4CA

not attested not anchored not stored refs pending

Geometric Structures of Pseudo-Sonic Curves in Self-Similar Solutions of the Euler Equations for Potential Flow

Gui-Qiang G. Chen, Mikhail Feldman, Wei Xiang, Xin Gao

arxiv:2606.21793 v1 · 2026-06-19 · math.AP · math-ph · math.MP · nlin.PS · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YMCWHCSFBSHUW2LEAYKRPXP4CA}

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	2026-06-23T01:13:22.874710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c305638a450c8f4b6964061517ddfc1012756271566e5424abaf7a1b5e4c446a

Aliases

arxiv: 2606.21793 · arxiv_version: 2606.21793v1 · doi: 10.48550/arxiv.2606.21793 · pith_short_12: YMCWHCSFBSHU · pith_short_16: YMCWHCSFBSHUW2LE · pith_short_8: YMCWHCSF

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/YMCWHCSFBSHUW2LEAYKRPXP4CA \
  | 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: c305638a450c8f4b6964061517ddfc1012756271566e5424abaf7a1b5e4c446a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6721c0cba77242faf866792b9364245c66cb1a43b1c941b6a85219dc187b81b7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.PS",
      "physics.flu-dyn"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-06-19T22:59:34Z",
    "title_canon_sha256": "d7a22999ec156f3279cb14e828d1857fccd79a8a7700e2dee4cff119b9087939"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21793",
    "kind": "arxiv",
    "version": 1
  }
}