Pith Number

pith:N42QAW4E

pith:2015:N42QAW4EBMMXI3TJI6OTEKXXEE

not attested not anchored not stored refs pending

Non-transversal intersection of free and fixed boundary for fully nonlinear elliptic operators in two dimensions

Andreas Minne, Emanuel Indrei

arxiv:1505.02303 v1 · 2015-05-09 · 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{N42QAW4EBMMXI3TJI6OTEKXXEE}

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	2026-05-18T01:12:08.549541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f35005b840b19746e69479d322af7211f746f0870166deccc21c141fb278383

Aliases

arxiv: 1505.02303 · arxiv_version: 1505.02303v1 · doi: 10.48550/arxiv.1505.02303 · pith_short_12: N42QAW4EBMMX · pith_short_16: N42QAW4EBMMXI3TJ · pith_short_8: N42QAW4E

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/N42QAW4EBMMXI3TJI6OTEKXXEE \
  | 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: 6f35005b840b19746e69479d322af7211f746f0870166deccc21c141fb278383

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d02c98fadb47f94651f0833da2bc997bcad563b330cbebddfe77088b57f7e797",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-05-09T18:40:00Z",
    "title_canon_sha256": "97bcfcb48f30032cc9f46741db0d278ac4e0793d1072e156df1cb14bbe3cd6eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02303",
    "kind": "arxiv",
    "version": 1
  }
}