Pith Number

pith:EUBVSLAI

pith:2019:EUBVSLAI2NJTX5PV7KRFJPLU2K

not attested not anchored not stored refs pending

A global minimization trick to solve some classes of Berestycki-Lions type problems

Claudianor Oliveira Alves

arxiv:1907.05952 v1 · 2019-07-12 · 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{EUBVSLAI2NJTX5PV7KRFJPLU2K}

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	2026-05-17T23:40:42.886607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2503592c08d3533bf5f5faa254bd74d2b62b670345083610ad802258c8f91545

Aliases

arxiv: 1907.05952 · arxiv_version: 1907.05952v1 · doi: 10.48550/arxiv.1907.05952 · pith_short_12: EUBVSLAI2NJT · pith_short_16: EUBVSLAI2NJTX5PV · pith_short_8: EUBVSLAI

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/EUBVSLAI2NJTX5PV7KRFJPLU2K \
  | 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: 2503592c08d3533bf5f5faa254bd74d2b62b670345083610ad802258c8f91545

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa9db6bb053f8c05332229f521eaef95047043ab63139157d7119c10c6d1c6db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-07-12T20:49:41Z",
    "title_canon_sha256": "2683ddf4a9c175b40c75546fbd042c02d2adc9bbfe2b434de9349cbd6002f774"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05952",
    "kind": "arxiv",
    "version": 1
  }
}