Pith Number

pith:BP6R5EM6

pith:2016:BP6R5EM6BXOPMPHM25HJTZCD6R

not attested not anchored not stored refs pending

Higher Regularity of the Free Boundary in the Obstacle Problem for the Fractional Laplacian

Robin Neumayer, Yash Jhaveri

arxiv:1606.01222 v4 · 2016-06-03 · 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{BP6R5EM6BXOPMPHM25HJTZCD6R}

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	2026-05-18T00:47:58.994290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bfd1e919e0ddcf63cecd74e99e443f45d5f0ba4a519fa05148217e6f5dbc9a4

Aliases

arxiv: 1606.01222 · arxiv_version: 1606.01222v4 · doi: 10.48550/arxiv.1606.01222 · pith_short_12: BP6R5EM6BXOP · pith_short_16: BP6R5EM6BXOPMPHM · pith_short_8: BP6R5EM6

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/BP6R5EM6BXOPMPHM25HJTZCD6R \
  | 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: 0bfd1e919e0ddcf63cecd74e99e443f45d5f0ba4a519fa05148217e6f5dbc9a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b2f0fafd8e66ae8cdb03f7ae6b0529d374b0f323a9c9adc7f078a40061377e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-06-03T19:13:57Z",
    "title_canon_sha256": "616d37dbbb90770ab4f3806f9c77e6b9d343bc5c9fd9aa105dc8b26ed11e61db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.01222",
    "kind": "arxiv",
    "version": 4
  }
}