Pith Number

pith:YIUESU67

pith:2014:YIUESU675GIHG2SAR3QBMZC4ME

not attested not anchored not stored refs pending

Robust and efficient solution of the drum problem via Nystrom approximation of the Fredholm determinant

Alex Barnett, Lin Zhao

arxiv:1406.5252 v3 · 2014-06-20 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YIUESU675GIHG2SAR3QBMZC4ME}

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	2026-05-18T02:43:10.727553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2284953dfe990736a408ee016645c6125acde793248fb9ceaf2207485e54c67

Aliases

arxiv: 1406.5252 · arxiv_version: 1406.5252v3 · doi: 10.48550/arxiv.1406.5252 · pith_short_12: YIUESU675GIH · pith_short_16: YIUESU675GIHG2SA · pith_short_8: YIUESU67

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/YIUESU675GIHG2SAR3QBMZC4ME \
  | 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: c2284953dfe990736a408ee016645c6125acde793248fb9ceaf2207485e54c67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef88aa187441949974c19fb8da9302aca6c4f683898a604e815e2ec41b973345",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-06-20T01:37:43Z",
    "title_canon_sha256": "c70885c8cc29a386a7130c4cfddd1529af6dc7ccef3ecaddcd2ca77a45feace6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5252",
    "kind": "arxiv",
    "version": 3
  }
}