Pith Number

pith:XYL5CILY

pith:2018:XYL5CILY267XYMR622HUGDZAL5

not attested not anchored not stored refs pending

Dean flow and vortex shedding in a three-dimensional 180$^\circ$ sharp bend

Alban Poth\'erat, Lintao Zhang

arxiv:1807.10950 v1 · 2018-07-28 · 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{XYL5CILY267XYMR622HUGDZAL5}

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	2026-05-18T00:09:34.921327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be17d12178d7bf7c323ed68f430f205f737ea9d645de4c7878d28236efdf1f91

Aliases

arxiv: 1807.10950 · arxiv_version: 1807.10950v1 · doi: 10.48550/arxiv.1807.10950 · pith_short_12: XYL5CILY267X · pith_short_16: XYL5CILY267XYMR6 · pith_short_8: XYL5CILY

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/XYL5CILY267XYMR622HUGDZAL5 \
  | 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: be17d12178d7bf7c323ed68f430f205f737ea9d645de4c7878d28236efdf1f91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13e7f1b4a31130ede8c7ef97d80ac5cf2537d196b0f0a83f92475d9f75906c22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-07-28T15:23:25Z",
    "title_canon_sha256": "4fa013a0cb458094b072afc08e049ea27139814f477c2ac34ffa2435c289e904"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10950",
    "kind": "arxiv",
    "version": 1
  }
}