Pith Number

pith:FBHXWLID

pith:2013:FBHXWLID6LZUFVPF6D64YECCLO

not attested not anchored not stored refs pending

A Remarkable Definite Integral

M. L. Glasser

arxiv:1308.6361 v2 · 2013-08-29 · 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{FBHXWLID6LZUFVPF6D64YECCLO}

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	2026-05-18T03:13:21.125452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

284f7b2d03f2f342d5e5f0fdcc10425bb7106f6bfe6fa94fc9c27ccf8d56c8e6

Aliases

arxiv: 1308.6361 · arxiv_version: 1308.6361v2 · doi: 10.48550/arxiv.1308.6361 · pith_short_12: FBHXWLID6LZU · pith_short_16: FBHXWLID6LZUFVPF · pith_short_8: FBHXWLID

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/FBHXWLID6LZUFVPF6D64YECCLO \
  | 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: 284f7b2d03f2f342d5e5f0fdcc10425bb7106f6bfe6fa94fc9c27ccf8d56c8e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a587f648aef02c8d8215b91e1ea5516b0d054ddae64e6849756f3b011e3d9e77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-08-29T04:18:12Z",
    "title_canon_sha256": "15397aaf8b3dd2df9696d81ff70f0fbde030e09fbcbbce92a93087fce3a37e04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6361",
    "kind": "arxiv",
    "version": 2
  }
}