Pith Number

pith:5J4WXCIC

pith:2019:5J4WXCICY6TBLOXZA23B2NQUMS

not attested not anchored not stored refs pending

Towards a finite-time singularity of the Navier-Stokes equations. Part 2. Vortex reconnection and singularity evasion

H.K.Moffatt, Yoshifumi Kimura

arxiv:1903.12382 v1 · 2019-03-29 · 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{5J4WXCICY6TBLOXZA23B2NQUMS}

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	2026-05-17T23:45:27.047970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea796b8902c7a615baf906b61d361464b270e9175dd379ebecb9d2541d09db72

Aliases

arxiv: 1903.12382 · arxiv_version: 1903.12382v1 · doi: 10.48550/arxiv.1903.12382 · pith_short_12: 5J4WXCICY6TB · pith_short_16: 5J4WXCICY6TBLOXZ · pith_short_8: 5J4WXCIC

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/5J4WXCICY6TBLOXZA23B2NQUMS \
  | 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: ea796b8902c7a615baf906b61d361464b270e9175dd379ebecb9d2541d09db72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a33a65e900b37245a44d866241d573d0dbdc8202f80c0a1736bcafa1e852f0c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2019-03-29T07:54:05Z",
    "title_canon_sha256": "b1c72bcacdba11b544c6a9e1495a5f6dcb479a1d854ce9d71a76787334c90c29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12382",
    "kind": "arxiv",
    "version": 1
  }
}