Pith Number

pith:U6EITTYQ

pith:2008:U6EITTYQTTXTH3LVCAXR4YJJBC

not attested not anchored not stored refs pending

Hodographic Vortices

Antonio Moro

arxiv:0808.1235 v3 · 2008-08-08 · physics.optics · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U6EITTYQTTXTH3LVCAXR4YJJBC}

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	2026-05-18T03:44:34.218538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a78889cf109cef33ed75102f1e61290883e6ef9b9cb0a3c0a22c73b68b6bbba0

Aliases

arxiv: 0808.1235 · arxiv_version: 0808.1235v3 · doi: 10.48550/arxiv.0808.1235 · pith_short_12: U6EITTYQTTXT · pith_short_16: U6EITTYQTTXTH3LV · pith_short_8: U6EITTYQ

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/U6EITTYQTTXTH3LVCAXR4YJJBC \
  | 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: a78889cf109cef33ed75102f1e61290883e6ef9b9cb0a3c0a22c73b68b6bbba0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4860e9aad73e2efd5dfddaefa8163a50f5480dfb47095f9af426c9b79c5e8605",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2008-08-08T15:37:42Z",
    "title_canon_sha256": "9839d1e2b6631f4997c5d00c893756e71d101dc3f0838dee699fd2afe486002a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.1235",
    "kind": "arxiv",
    "version": 3
  }
}