Pith Number

pith:FBPOT6UW

pith:2017:FBPOT6UWHPLIELYYKNMS2GSK5W

not attested not anchored not stored refs pending

Evaluation of Tornheim's type of double series

Koji Tasaka, Shin-ya Kadota, Takuya Okamoto

arxiv:1703.07471 v1 · 2017-03-21 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FBPOT6UWHPLIELYYKNMS2GSK5W}

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	2026-05-18T00:48:08.729578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

285ee9fa963bd6822f1853592d1a4aed907905f41df648b6a667ade04065ce01

Aliases

arxiv: 1703.07471 · arxiv_version: 1703.07471v1 · doi: 10.48550/arxiv.1703.07471 · pith_short_12: FBPOT6UWHPLI · pith_short_16: FBPOT6UWHPLIELYY · pith_short_8: FBPOT6UW

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/FBPOT6UWHPLIELYYKNMS2GSK5W \
  | 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: 285ee9fa963bd6822f1853592d1a4aed907905f41df648b6a667ade04065ce01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dae0bec1d29230661de562c32a8e22d01e5e3ccdfceed855ab4e91479dcda6cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-03-21T23:54:23Z",
    "title_canon_sha256": "ad72403078ccc187973f04a296b87ba666a5b234404d886122c4b98c9ffe63eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07471",
    "kind": "arxiv",
    "version": 1
  }
}