Pith Number

pith:WZR6H7HK

pith:2013:WZR6H7HKHRCWWIBUE7DQWZ7JWG

not attested not anchored not stored refs pending

The inverse Robin boundary value problem in a half-space

Lassi P\"aiv\"arinta, Miren Zubeldia

arxiv:1311.6947 v2 · 2013-11-27 · 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{WZR6H7HKHRCWWIBUE7DQWZ7JWG}

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	2026-05-18T02:50:13.180707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b663e3fcea3c456b203427c70b67e9b18313d5dbf22c74fe9f521ee13a98be7d

Aliases

arxiv: 1311.6947 · arxiv_version: 1311.6947v2 · doi: 10.48550/arxiv.1311.6947 · pith_short_12: WZR6H7HKHRCW · pith_short_16: WZR6H7HKHRCWWIBU · pith_short_8: WZR6H7HK

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/WZR6H7HKHRCWWIBUE7DQWZ7JWG \
  | 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: b663e3fcea3c456b203427c70b67e9b18313d5dbf22c74fe9f521ee13a98be7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71c616af8951e58e21d90e652028c417fc9ede001411a085384891bcbdd589e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-11-27T12:05:24Z",
    "title_canon_sha256": "d9b626a0d1c5964112f60f7e60c1e8bb620b5be4f6d83938089b714d9e7d71ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6947",
    "kind": "arxiv",
    "version": 2
  }
}