Pith Number

pith:7SFM2FLI

pith:2019:7SFM2FLIMFGTYYQFQMO7LPQOPR

not attested not anchored not stored refs pending

On a class of quasilinear elliptic equation with indefinite weights on graphs

Guoqing Zhang, Shoudong Man

arxiv:1903.05346 v1 · 2019-03-13 · 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{7SFM2FLIMFGTYYQFQMO7LPQOPR}

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	2026-05-17T23:51:24.574014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc8acd1568614d3c6205831df5be0e7c7ffb632270e4b13491d746e803ed9d34

Aliases

arxiv: 1903.05346 · arxiv_version: 1903.05346v1 · doi: 10.48550/arxiv.1903.05346 · pith_short_12: 7SFM2FLIMFGT · pith_short_16: 7SFM2FLIMFGTYYQF · pith_short_8: 7SFM2FLI

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/7SFM2FLIMFGTYYQFQMO7LPQOPR \
  | 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: fc8acd1568614d3c6205831df5be0e7c7ffb632270e4b13491d746e803ed9d34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74b1d56e5fb902d57485c15f695cad0978161e344ceca824830a4c27ef4e4c2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-03-13T07:53:03Z",
    "title_canon_sha256": "fe1cb7f34e90645dd7bc9ddeb17981f8dbcf3e3e6c44c0438712d93ee1191d24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05346",
    "kind": "arxiv",
    "version": 1
  }
}