Pith Number

pith:QDR2VZYO

pith:2017:QDR2VZYO7OLZUBB3QA4VG2S7IT

not attested not anchored not stored refs pending

A remark on nonlocal Neumann conditions for the fractional Laplacian

Nicola Abatangelo

arxiv:1712.00320 v3 · 2017-12-01 · 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{QDR2VZYO7OLZUBB3QA4VG2S7IT}

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	2026-05-18T00:19:11.294678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80e3aae70efb979a043b8039536a5f44f82f65202f00a71e6902e051f2f08fd1

Aliases

arxiv: 1712.00320 · arxiv_version: 1712.00320v3 · doi: 10.48550/arxiv.1712.00320 · pith_short_12: QDR2VZYO7OLZ · pith_short_16: QDR2VZYO7OLZUBB3 · pith_short_8: QDR2VZYO

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/QDR2VZYO7OLZUBB3QA4VG2S7IT \
  | 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: 80e3aae70efb979a043b8039536a5f44f82f65202f00a71e6902e051f2f08fd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "800c845517ab658216362a4ac7a96ac49826a783d045fdccf9f980a07114d8f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-12-01T13:58:02Z",
    "title_canon_sha256": "d8368228e299cabd8b3e3940e0579b573defd24c2d4fbc92d3c72199ab9f3784"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00320",
    "kind": "arxiv",
    "version": 3
  }
}