Pith Number

pith:AKAKPDXU

pith:2006:AKAKPDXUARU2EOZ53NW6JPC3OF

not attested not anchored not stored refs pending

Level Set Dynamics and the Non-blowup of the 2D Quasi-geostrophic Equation

Jian Deng, Ruo Li, Thomas Y. Hou, Xinwei Yu

arxiv:math/0601427 v2 · 2006-01-18 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AKAKPDXUARU2EOZ53NW6JPC3OF}

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	2026-07-04T14:52:49.836163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0280a78ef40469a23b3ddb6de4bc5b714e96313d1bbf58c26ee274f91ffc852c

Aliases

arxiv: math/0601427 · arxiv_version: math/0601427v2 · doi: 10.48550/arxiv.math/0601427 · pith_short_12: AKAKPDXUARU2 · pith_short_16: AKAKPDXUARU2EOZ5 · pith_short_8: AKAKPDXU

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/AKAKPDXUARU2EOZ53NW6JPC3OF \
  | 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: 0280a78ef40469a23b3ddb6de4bc5b714e96313d1bbf58c26ee274f91ffc852c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "381181c29019d1738c860abe7695be05ce014e8aa9c32a0ae348418619c8f6ec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "2006-01-18T03:25:00Z",
    "title_canon_sha256": "85053db10edd80ef59fa49f4fd20b7baca1b1aeabd625532daa859148d8fc8aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0601427",
    "kind": "arxiv",
    "version": 2
  }
}