Pith Number

pith:RAY2FS3Q

pith:2014:RAY2FS3QH6VAVS5N57LDVJFZMJ

not attested not anchored not stored refs pending

Non-trivial solutions of local and non-local Neumann boundary-value problems

F. Adrian F. Tojo, Gennaro Infante, Paolamaria Pietramala

arxiv:1404.1390 v5 · 2014-04-04 · math.CA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RAY2FS3QH6VAVS5N57LDVJFZMJ}

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	2026-05-18T01:18:49.578858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8831a2cb703faa0acbadefd63aa4b96243cda0dbc371deeceb7a49dbba879636

Aliases

arxiv: 1404.1390 · arxiv_version: 1404.1390v5 · doi: 10.48550/arxiv.1404.1390 · pith_short_12: RAY2FS3QH6VA · pith_short_16: RAY2FS3QH6VAVS5N · pith_short_8: RAY2FS3Q

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/RAY2FS3QH6VAVS5N57LDVJFZMJ \
  | 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: 8831a2cb703faa0acbadefd63aa4b96243cda0dbc371deeceb7a49dbba879636

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f89328b055ad4ae06ecb0421e921618e0e2bffda516130c7228f1698f929d13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-04-04T20:48:04Z",
    "title_canon_sha256": "fd6cc12b85729cd438723e264e31cc74a992f10b660474dd3df9bf3d5b3578b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1390",
    "kind": "arxiv",
    "version": 5
  }
}