Pith Number

pith:BQBJRNEP

pith:2010:BQBJRNEPUMEPD5RKAQMIYEFQBL

not attested not anchored not stored refs pending

An elementary way to introduce a Perron-like integral

Hana Bendov\'a, Jan Mal\'y

arxiv:1002.2852 v1 · 2010-02-15 · 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{BQBJRNEPUMEPD5RKAQMIYEFQBL}

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	2026-05-18T04:03:57.176167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c0298b48fa308f1f62a04188c10b00aeb63340b925ffc2e0b908d217413cb84

Aliases

arxiv: 1002.2852 · arxiv_version: 1002.2852v1 · doi: 10.48550/arxiv.1002.2852 · pith_short_12: BQBJRNEPUMEP · pith_short_16: BQBJRNEPUMEPD5RK · pith_short_8: BQBJRNEP

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/BQBJRNEPUMEPD5RKAQMIYEFQBL \
  | 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: 0c0298b48fa308f1f62a04188c10b00aeb63340b925ffc2e0b908d217413cb84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a616370eff337427d8025a0db8e8c7b1d3e35c7faae97a13ad1ea058ebd7f037",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2010-02-15T16:37:13Z",
    "title_canon_sha256": "40c21ba9555c3a4e6e4aa5d7c5cf732468020b0137e80957e6781312a9ba35c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2852",
    "kind": "arxiv",
    "version": 1
  }
}