Pith Number

pith:2NOKL5PM

pith:2018:2NOKL5PMO5PVLNH24NSBIQJFQH

not attested not anchored not stored refs pending

Fredholm Groupoids and Layer Potentials on Conical Domains

Catarina Carvalho, Yu Qiao

arxiv:1807.05418 v1 · 2018-07-14 · math.OA · math.AP · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2NOKL5PMO5PVLNH24NSBIQJFQH}

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	2026-05-18T00:10:43.601527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d35ca5f5ec775f55b4fae36414412581d90524dca22513953ef624d1f949259c

Aliases

arxiv: 1807.05418 · arxiv_version: 1807.05418v1 · doi: 10.48550/arxiv.1807.05418 · pith_short_12: 2NOKL5PMO5PV · pith_short_16: 2NOKL5PMO5PVLNH2 · pith_short_8: 2NOKL5PM

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/2NOKL5PMO5PVLNH24NSBIQJFQH \
  | 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: d35ca5f5ec775f55b4fae36414412581d90524dca22513953ef624d1f949259c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d68130e094ddabb38ce050f16e9b8e9da2f81291a2783de9c75d29c3b4ac2145",
    "cross_cats_sorted": [
      "math.AP",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2018-07-14T16:23:48Z",
    "title_canon_sha256": "390544768833f76ed1b21f88f05da3fc18ab839d84c6a749982423577bc2b233"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05418",
    "kind": "arxiv",
    "version": 1
  }
}