Pith Number

pith:PVLJDDZJ

pith:2017:PVLJDDZJVLPUBE2JWWSJUEML3U

not attested not anchored not stored refs pending

Prescribed $Q$-curvature flow on closed manifolds of even dimension

Hong Zhang, Qu\^oc Anh Ng\^o

arxiv:1701.02247 v3 · 2017-01-09 · math.AP · 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{PVLJDDZJVLPUBE2JWWSJUEML3U}

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	2026-07-05T01:13:50.537111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d56918f29aadf409349b5a49a118bdd3a0eecd41d15e1592b5eb7f14d68340b

Aliases

arxiv: 1701.02247 · arxiv_version: 1701.02247v3 · doi: 10.48550/arxiv.1701.02247 · pith_short_12: PVLJDDZJVLPU · pith_short_16: PVLJDDZJVLPUBE2J · pith_short_8: PVLJDDZJ

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/PVLJDDZJVLPUBE2JWWSJUEML3U \
  | 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: 7d56918f29aadf409349b5a49a118bdd3a0eecd41d15e1592b5eb7f14d68340b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b43cda1eabba33aede65ade59cff4c6e5bc879487436f406afc60e704890b185",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-01-09T16:30:30Z",
    "title_canon_sha256": "d0afb4bfd8dff4fc545c634c353d4ec826a95efba6726f5e6547daf0fd791bac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02247",
    "kind": "arxiv",
    "version": 3
  }
}