Pith Number

pith:42LHP3CF

pith:2019:42LHP3CFCH6E4PROCG27ORXVJW

not attested not anchored not stored refs pending

On the three-dimensional stability of Poiseuille flow in a finite-length duct

Lei Xu, Zvi Rusak

arxiv:1908.02191 v1 · 2019-08-06 · 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{42LHP3CFCH6E4PROCG27ORXVJW}

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	2026-07-04T23:51:51.881486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e69677ec4511fc4e3e2e11b5f746f54d98e214bfb71ca71b8e4dd15c36a4be0f

Aliases

arxiv: 1908.02191 · arxiv_version: 1908.02191v1 · doi: 10.48550/arxiv.1908.02191 · pith_short_12: 42LHP3CFCH6E · pith_short_16: 42LHP3CFCH6E4PRO · pith_short_8: 42LHP3CF

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/42LHP3CFCH6E4PROCG27ORXVJW \
  | 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: e69677ec4511fc4e3e2e11b5f746f54d98e214bfb71ca71b8e4dd15c36a4be0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cc29232865c164b08c85faf4bba24f172150f0d70b2239953eb2b0b853728f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2019-08-06T14:52:45Z",
    "title_canon_sha256": "99c549f2ebd7e274ac228d286f0eae3e65b14d08766c0560f1b329b52118149e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02191",
    "kind": "arxiv",
    "version": 1
  }
}