Pith Number

pith:YVWBUU6H

pith:2015:YVWBUU6HPLNYNIVT2RLFXVED46

not attested not anchored not stored refs pending

Regularity of the free boundary for the obstacle problem for the fractional Laplacian with drift

Arshak Petrosyan, Camelia A. Pop, Mariana Smit Vega Garcia, Nicola Garofalo

arxiv:1509.06228 v1 · 2015-09-21 · 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{YVWBUU6HPLNYNIVT2RLFXVED46}

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	2026-05-18T01:32:35.546128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c56c1a53c77adb86a2b3d4565bd483e7a46ab91b351ad347a8c09b4cb09d8ceb

Aliases

arxiv: 1509.06228 · arxiv_version: 1509.06228v1 · doi: 10.48550/arxiv.1509.06228 · pith_short_12: YVWBUU6HPLNY · pith_short_16: YVWBUU6HPLNYNIVT · pith_short_8: YVWBUU6H

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/YVWBUU6HPLNYNIVT2RLFXVED46 \
  | 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: c56c1a53c77adb86a2b3d4565bd483e7a46ab91b351ad347a8c09b4cb09d8ceb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0149e7ebd5f8bedc58ba138cc70248e5a898bc982c9b3102a1c9368e820766a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-09-21T13:58:18Z",
    "title_canon_sha256": "e3f0173059366b3cc96cd43379e5a39027bbb59e6322cab647496ae04a5d1fd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06228",
    "kind": "arxiv",
    "version": 1
  }
}