Pith Number

pith:MSZSKCPQ

pith:2015:MSZSKCPQLILC6BLWLFTJVFPLMG

not attested not anchored not stored refs pending

On the splash singularity for the free-surface of a Navier-Stokes fluid

Daniel Coutand, Steve Shkoller

arxiv:1505.01929 v1 · 2015-05-08 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MSZSKCPQLILC6BLWLFTJVFPLMG}

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	2026-05-18T02:16:38.481185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64b32509f05a162f057659669a95eb61aef2ab525dff9a98085dcb5229b44b83

Aliases

arxiv: 1505.01929 · arxiv_version: 1505.01929v1 · doi: 10.48550/arxiv.1505.01929 · pith_short_12: MSZSKCPQLILC · pith_short_16: MSZSKCPQLILC6BLW · pith_short_8: MSZSKCPQ

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/MSZSKCPQLILC6BLWLFTJVFPLMG \
  | 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: 64b32509f05a162f057659669a95eb61aef2ab525dff9a98085dcb5229b44b83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa721de30820134023d91e9268f89f128284e95db0939f5e2e9ec2e8a7456030",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-05-08T05:11:13Z",
    "title_canon_sha256": "b1fe4c52678ad556ab0ac5ae0108fd824f7afd0fa51baff72fd2b31ed5bab481"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01929",
    "kind": "arxiv",
    "version": 1
  }
}