Pith Number

pith:7FKUPNZO

pith:2015:7FKUPNZOLTIBBZSHW2GHDHVS5H

not attested not anchored not stored refs pending

Symmetries and conservation laws of the Euler equations in Lagrangian coordinates

Ravi Shankar

arxiv:1509.05832 v2 · 2015-09-19 · 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{7FKUPNZOLTIBBZSHW2GHDHVS5H}

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	2026-05-18T01:12:17.136570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f95547b72e5cd010e647b68c719eb2e9e87d0fcc8c4175256e49fdbabecb0bbd

Aliases

arxiv: 1509.05832 · arxiv_version: 1509.05832v2 · doi: 10.48550/arxiv.1509.05832 · pith_short_12: 7FKUPNZOLTIB · pith_short_16: 7FKUPNZOLTIBBZSH · pith_short_8: 7FKUPNZO

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/7FKUPNZOLTIBBZSHW2GHDHVS5H \
  | 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: f95547b72e5cd010e647b68c719eb2e9e87d0fcc8c4175256e49fdbabecb0bbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dfa7de44a5f4a0badba18368ca6ca3b4d853795d6fe82af9aa2b99e1f5ae9ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-09-19T00:41:05Z",
    "title_canon_sha256": "6c2d8147e8e33215e33206c74190b0ef769f9ec99ec811bc08fa9ebaa7571e67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05832",
    "kind": "arxiv",
    "version": 2
  }
}