Pith Number

pith:KZXT3VZY

pith:2015:KZXT3VZY5RDZSFMTIWXZA3MPE5

not attested not anchored not stored refs pending

The SQG Equation as a Geodesic Equation

Pearce Washabaugh

arxiv:1509.08034 v1 · 2015-09-26 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZXT3VZY5RDZSFMTIWXZA3MPE5}

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	2026-05-18T01:12:43.401942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

566f3dd738ec4799159345af906d8f275c7f23276ecb40a440a78ca2b499b65c

Aliases

arxiv: 1509.08034 · arxiv_version: 1509.08034v1 · doi: 10.48550/arxiv.1509.08034 · pith_short_12: KZXT3VZY5RDZ · pith_short_16: KZXT3VZY5RDZSFMT · pith_short_8: KZXT3VZY

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/KZXT3VZY5RDZSFMTIWXZA3MPE5 \
  | 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: 566f3dd738ec4799159345af906d8f275c7f23276ecb40a440a78ca2b499b65c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8668bdf9d4a9cbf16828f432b37b6e7a554496120563d094caab91ae1995fd08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-09-26T22:37:51Z",
    "title_canon_sha256": "17879fc2dab3eea9612ef631f3a4d52f0101ca9da2d14d2c72b8f3b486f5d1cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08034",
    "kind": "arxiv",
    "version": 1
  }
}