Pith Number

pith:HQXAT3XG

pith:2013:HQXAT3XGNRL4TVUS6K44ZSCBYA

not attested not anchored not stored refs pending

On the Dirichlet and Neumann evolution operators in R^d_+

Luca Lorenzi, Luciana Angiuli

arxiv:1307.5447 v1 · 2013-07-20 · 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{HQXAT3XGNRL4TVUS6K44ZSCBYA}

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	2026-05-18T03:17:55.698009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c2e09eee66c57c9d692f2b9ccc841c034eff0c301d6636b7143ed935879a7ad

Aliases

arxiv: 1307.5447 · arxiv_version: 1307.5447v1 · doi: 10.48550/arxiv.1307.5447 · pith_short_12: HQXAT3XGNRL4 · pith_short_16: HQXAT3XGNRL4TVUS · pith_short_8: HQXAT3XG

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/HQXAT3XGNRL4TVUS6K44ZSCBYA \
  | 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: 3c2e09eee66c57c9d692f2b9ccc841c034eff0c301d6636b7143ed935879a7ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99479aef01339ecc75a2db20f18a25eae17f88edebd7981fa251ab21803b6e9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-07-20T18:16:42Z",
    "title_canon_sha256": "3076e93dea9fb85910375245c59997d03f3c1fad49fd732395ca62472e826252"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5447",
    "kind": "arxiv",
    "version": 1
  }
}