pith. sign in
Pith Number

pith:RYK2LIEZ

pith:2011:RYK2LIEZQ32OIHV45YJ2QQ3PGO
not attested not anchored not stored refs pending

Almgren-type monotonicity methods for the classification of behavior at corners of solutions to semilinear elliptic equations

Alberto Ferrero, Veronica Felli

arxiv:1107.4518 v1 · 2011-07-22 · math.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RYK2LIEZQ32OIHV45YJ2QQ3PGO}

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 2026-05-18T04:17:03.891351Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8e15a5a09986f4e41ebcee13a8436f33ab3f44a8ce465105a9db7c3e6c497f3c

Aliases

arxiv: 1107.4518 · arxiv_version: 1107.4518v1 · doi: 10.48550/arxiv.1107.4518 · pith_short_12: RYK2LIEZQ32O · pith_short_16: RYK2LIEZQ32OIHV4 · pith_short_8: RYK2LIEZ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RYK2LIEZQ32OIHV45YJ2QQ3PGO \
  | 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: 8e15a5a09986f4e41ebcee13a8436f33ab3f44a8ce465105a9db7c3e6c497f3c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "321d9a30636e1cadc682ccf906274b756c52019a54b8173cf84dedd689571313",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-07-22T13:55:18Z",
    "title_canon_sha256": "c0db0626345d8408ea343280cfc9bcc0c8d8b96f3bba64d429ccb85a572976b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4518",
    "kind": "arxiv",
    "version": 1
  }
}