Pith Number

pith:3MOAY3IG

pith:2019:3MOAY3IG6YXG6AE4EL37DVOG6P

not attested not anchored not stored refs pending

Nonpositive Curvature of the quantomorphism group and quasigeostrophic motion

Jae Min Lee, Stephen C. Preston

arxiv:1907.10256 v2 · 2019-07-24 · 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{3MOAY3IG6YXG6AE4EL37DVOG6P}

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	2026-05-17T23:39:35.029632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db1c0c6d06f62e6f009c22f7f1d5c6f3d91013e14922b5fbd7d1f69af9f7da3b

Aliases

arxiv: 1907.10256 · arxiv_version: 1907.10256v2 · doi: 10.48550/arxiv.1907.10256 · pith_short_12: 3MOAY3IG6YXG · pith_short_16: 3MOAY3IG6YXG6AE4 · pith_short_8: 3MOAY3IG

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/3MOAY3IG6YXG6AE4EL37DVOG6P \
  | 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: db1c0c6d06f62e6f009c22f7f1d5c6f3d91013e14922b5fbd7d1f69af9f7da3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00ee9017a7d8d94bd61310eccbfa57ff6fe755c3158517ef61bb28c55c7b9e8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-07-24T06:22:09Z",
    "title_canon_sha256": "628d819ff4f598549e471fc6c8a0d6dc656786b64310af952aab83e09ac38ccd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10256",
    "kind": "arxiv",
    "version": 2
  }
}