Pith Number

pith:34YRPNLE

pith:2018:34YRPNLEG7OVTFWJFTIRRBLR5A

not attested not anchored not stored refs pending

On the Helicity conservation for the incompressible Euler equations

Luigi De Rosa

arxiv:1812.00678 v2 · 2018-12-03 · 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{34YRPNLEG7OVTFWJFTIRRBLR5A}

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	2026-05-17T23:51:43.670256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df3117b56437dd5996c92cd1188571e828d5b68627f44dd6fcf5f4132fc17188

Aliases

arxiv: 1812.00678 · arxiv_version: 1812.00678v2 · doi: 10.48550/arxiv.1812.00678 · pith_short_12: 34YRPNLEG7OV · pith_short_16: 34YRPNLEG7OVTFWJ · pith_short_8: 34YRPNLE

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/34YRPNLEG7OVTFWJFTIRRBLR5A \
  | 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: df3117b56437dd5996c92cd1188571e828d5b68627f44dd6fcf5f4132fc17188

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95c1c35d1215562775dd92272c2f699054751b92d3faa3a7f616c72f8654395d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-12-03T11:35:38Z",
    "title_canon_sha256": "cea506aa930b5781ba7104b691c014ec3935d45d409a5c25d18b1dc793b2ee66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00678",
    "kind": "arxiv",
    "version": 2
  }
}