Pith Number

pith:KMPV4Q53

pith:2016:KMPV4Q53P7WTGFZCLR2BQ744B7

not attested not anchored not stored refs pending

A non-variational approach to the existence of nonzero positive solutions for elliptic systems

Gennaro Infante, Jos\'e \'Angel Cid

arxiv:1607.03020 v3 · 2016-07-11 · 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{KMPV4Q53P7WTGFZCLR2BQ744B7}

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	2026-05-18T00:28:35.884634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

531f5e43bb7fed3317225c74187f9c0ff34ca8dca3809fc834fe632513bc6937

Aliases

arxiv: 1607.03020 · arxiv_version: 1607.03020v3 · doi: 10.48550/arxiv.1607.03020 · pith_short_12: KMPV4Q53P7WT · pith_short_16: KMPV4Q53P7WTGFZC · pith_short_8: KMPV4Q53

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/KMPV4Q53P7WTGFZCLR2BQ744B7 \
  | 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: 531f5e43bb7fed3317225c74187f9c0ff34ca8dca3809fc834fe632513bc6937

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b734cabbfc9728cc657db571c723f23273a0b112054119cdba49684362cfedd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-07-11T16:27:51Z",
    "title_canon_sha256": "c356c0fcbb7932f55107b74c73964c6604eb545170b0a01cb8daa4f59a91364a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03020",
    "kind": "arxiv",
    "version": 3
  }
}