Pith Number

pith:7MQSHZZ2

pith:2012:7MQSHZZ224NV7CLQUJC5I5NUTF

not attested not anchored not stored refs pending

Variable enstrophy flux and energy spectrum in two-dimensional turbulence with Ekman friction

Mahendra K. Verma

arxiv:1203.5266 v1 · 2012-03-23 · physics.flu-dyn · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7MQSHZZ224NV7CLQUJC5I5NUTF}

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	2026-05-18T01:58:03.963784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb2123e73ad71b5f8970a245d475b4997ae81768a29a97a6ffb8314095bfebf6

Aliases

arxiv: 1203.5266 · arxiv_version: 1203.5266v1 · doi: 10.48550/arxiv.1203.5266 · pith_short_12: 7MQSHZZ224NV · pith_short_16: 7MQSHZZ224NV7CLQ · pith_short_8: 7MQSHZZ2

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/7MQSHZZ224NV7CLQUJC5I5NUTF \
  | 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: fb2123e73ad71b5f8970a245d475b4997ae81768a29a97a6ffb8314095bfebf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d955eabad7184ae58e41fc0f7d17ab7d9ea592f03c9ef8d18356ef3af8bdb065",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2012-03-23T15:08:46Z",
    "title_canon_sha256": "368723d86464c351b7554f31d76636345616089385ffcd4521987bd828c54ff2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5266",
    "kind": "arxiv",
    "version": 1
  }
}