Pith Number

pith:PGTX4II6

pith:2018:PGTX4II6GD6SHOQRIR6JS5AMYO

not attested not anchored not stored refs pending

Analysis of vortex breakdown in an enclosed cylinder based on the energy gradient theory

Chuanyu Wu, Hongli Chen, Hua-Shu Dou, Meina Xiao, Songying Chen, Xifeng Zhao, Yikun Wei, Zuchao Zhu

arxiv:1808.05025 v1 · 2018-08-15 · physics.flu-dyn · nlin.CD · 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{PGTX4II6GD6SHOQRIR6JS5AMYO}

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	2026-05-18T00:07:39.770268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79a77e211e30fd23ba11447c99740cc38ba4c77c349d3c568619f5ed18d2aa22

Aliases

arxiv: 1808.05025 · arxiv_version: 1808.05025v1 · doi: 10.48550/arxiv.1808.05025 · pith_short_12: PGTX4II6GD6S · pith_short_16: PGTX4II6GD6SHOQR · pith_short_8: PGTX4II6

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/PGTX4II6GD6SHOQRIR6JS5AMYO \
  | 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: 79a77e211e30fd23ba11447c99740cc38ba4c77c349d3c568619f5ed18d2aa22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc34ba34649aebf5c15a27ee991db74b5c4afa99d4ac49b15ad73ced20ffc1aa",
    "cross_cats_sorted": [
      "nlin.CD",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-08-15T10:19:03Z",
    "title_canon_sha256": "051f2c535371da66c49d3bea07a60ed0421b6d2a31891537b451c433ef8a4bba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05025",
    "kind": "arxiv",
    "version": 1
  }
}