Pith Number

pith:ZESVA33U

pith:2017:ZESVA33U65OSF6G7SFSQHVUSNE

not attested not anchored not stored refs pending

Classification of irregular free boundary points for non-divergence type equations with discontinuous coefficients

Aram Karakhanyan, Enrico Valdinoci, Serena Dipierro

arxiv:1701.03131 v3 · 2017-01-11 · 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{ZESVA33U65OSF6G7SFSQHVUSNE}

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	2026-05-18T00:42:43.965856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c925506f74f75d22f8df916503d6926909b0c6bf6d9e3402ac1ae6b3c0c73d50

Aliases

arxiv: 1701.03131 · arxiv_version: 1701.03131v3 · doi: 10.48550/arxiv.1701.03131 · pith_short_12: ZESVA33U65OS · pith_short_16: ZESVA33U65OSF6G7 · pith_short_8: ZESVA33U

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/ZESVA33U65OSF6G7SFSQHVUSNE \
  | 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: c925506f74f75d22f8df916503d6926909b0c6bf6d9e3402ac1ae6b3c0c73d50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62ca5ab1fec2b9428480ac6970712d8bd2a457704dca8859954bda39f1bc8c5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-01-11T19:27:53Z",
    "title_canon_sha256": "3aceef435e143537c2fe6b288e20211c6b45724ca6a30c69a63122f5bd4bccd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03131",
    "kind": "arxiv",
    "version": 3
  }
}