Pith Number

pith:3RAZRKMF

pith:2019:3RAZRKMF5Y6XWGBRLLPZR65JMP

not attested not anchored not stored refs pending

Reconnection of Vortex Tubes with Axial Flow

David I. Pontin, Philip McGavin

arxiv:1901.03094 v1 · 2019-01-10 · 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{3RAZRKMF5Y6XWGBRLLPZR65JMP}

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	2026-05-17T23:54:08.050803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc4198a985ee3d7b18315adf98fba963f994331b58c4ef23862836d6d8896cf3

Aliases

arxiv: 1901.03094 · arxiv_version: 1901.03094v1 · doi: 10.48550/arxiv.1901.03094 · pith_short_12: 3RAZRKMF5Y6X · pith_short_16: 3RAZRKMF5Y6XWGBR · pith_short_8: 3RAZRKMF

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/3RAZRKMF5Y6XWGBRLLPZR65JMP \
  | 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: dc4198a985ee3d7b18315adf98fba963f994331b58c4ef23862836d6d8896cf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d795a2e49d09a35a5fb555befe92aea591bc20bcf9db29a6f9d04d6baabf6217",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2019-01-10T10:50:46Z",
    "title_canon_sha256": "a7c0851fb213df6f5f569bfe4ed3ef23a9531506ae670fa9621297d1343dc8eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03094",
    "kind": "arxiv",
    "version": 1
  }
}