Pith Number

pith:5UA2MUBA

pith:2019:5UA2MUBA37GVKJUUV5IDJFWDSC

not attested not anchored not stored refs pending

On the Finite Time Blowup of the De Gregorio Model for the 3D Euler Equation

De Huang, Jiajie Chen, Thomas Y. Hou

arxiv:1905.06387 v3 · 2019-05-15 · 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{5UA2MUBA37GVKJUUV5IDJFWDSC}

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.

Cited by

1 paper in Pith

Formation of shocks for 2D isentropic compressible Euler

Receipt and verification

First computed	2026-07-05T02:48:16.029524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed01a65020dfcd552694af503496c390a74cc8bfab6c351a2719b607fc72c657

Aliases

arxiv: 1905.06387 · arxiv_version: 1905.06387v3 · doi: 10.48550/arxiv.1905.06387 · pith_short_12: 5UA2MUBA37GV · pith_short_16: 5UA2MUBA37GVKJUU · pith_short_8: 5UA2MUBA

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/5UA2MUBA37GVKJUUV5IDJFWDSC \
  | 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: ed01a65020dfcd552694af503496c390a74cc8bfab6c351a2719b607fc72c657

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c9e5ba4577ad01fd6e6b6579cbef85c2fa420108d5dd84532c940f682dae73e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-05-15T18:56:00Z",
    "title_canon_sha256": "a596d7d4f1891c3e35bf945c88612800dfee501cb1339d8a6c5c3894fbd5a096"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06387",
    "kind": "arxiv",
    "version": 3
  }
}