Pith Number

pith:FN7ALGE2

pith:2019:FN7ALGE2PHWIF77OG23ID7PDSG

not attested not anchored not stored refs pending

Positive solutions for semilinear fractional elliptic problems involving an inverse fractional operator

Alejandro Ortega, Eduardo Colorado, Pablo \'Alvarez-Caudevilla

arxiv:1904.00841 v1 · 2019-04-01 · 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{FN7ALGE2PHWIF77OG23ID7PDSG}

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	2026-05-17T23:49:45.346702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b7e05989a79ec82ffee36b681fde391873f29fd8b038598333961facb3c51a4

Aliases

arxiv: 1904.00841 · arxiv_version: 1904.00841v1 · doi: 10.48550/arxiv.1904.00841 · pith_short_12: FN7ALGE2PHWI · pith_short_16: FN7ALGE2PHWIF77O · pith_short_8: FN7ALGE2

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/FN7ALGE2PHWIF77OG23ID7PDSG \
  | 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: 2b7e05989a79ec82ffee36b681fde391873f29fd8b038598333961facb3c51a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1b51fe9e6a985968b40d39b01ba3d9458e52544bcaa69196cfb619c72398309",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-04-01T13:26:16Z",
    "title_canon_sha256": "a37fff06d9cf06b0e70a62eb1e6f12d8f7450288a59d0bbff85dce3cd8d5f5e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00841",
    "kind": "arxiv",
    "version": 1
  }
}