Pith Number

pith:UR54GPCH

pith:2013:UR54GPCHX2WSUFGKRFKY7I3NMN

not attested not anchored not stored refs pending

The direct enstrophy cascade of two-dimensional soap film flows

Hussein Aluie, Mike Rivera, Robert Ecke

arxiv:1309.4894 v2 · 2013-09-19 · physics.flu-dyn · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UR54GPCHX2WSUFGKRFKY7I3NMN}

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	2026-05-18T01:47:35.592443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a47bc33c47bead2a14ca89558fa36d635dd161e278de49534484b2ad04b61a54

Aliases

arxiv: 1309.4894 · arxiv_version: 1309.4894v2 · doi: 10.48550/arxiv.1309.4894 · pith_short_12: UR54GPCHX2WS · pith_short_16: UR54GPCHX2WSUFGK · pith_short_8: UR54GPCH

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/UR54GPCHX2WSUFGKRFKY7I3NMN \
  | 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: a47bc33c47bead2a14ca89558fa36d635dd161e278de49534484b2ad04b61a54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40120703a3423c43bb743e330303cf0390d0304f285bacc45bf445da853e004e",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2013-09-19T08:57:00Z",
    "title_canon_sha256": "b9bcf23eedaa26a04e774298f5592cbc1e5afb069c420911e09c0a37b7136ec2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4894",
    "kind": "arxiv",
    "version": 2
  }
}