Pith Number

pith:NLUR5U7H

pith:2017:NLUR5U7HJ5XSXPVFVDT73G2IXQ

not attested not anchored not stored refs pending

Evaluations of some quadratic Euler sums

Ce Xu, Xin Si

arxiv:1701.00389 v2 · 2017-01-02 · 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{NLUR5U7HJ5XSXPVFVDT73G2IXQ}

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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	2026-05-18T00:47:56.556592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ae91ed3e74f6f2bbea5a8e7fd9b48bc32f4078b937046993726d221cd20f8bf

Aliases

arxiv: 1701.00389 · arxiv_version: 1701.00389v2 · doi: 10.48550/arxiv.1701.00389 · pith_short_12: NLUR5U7HJ5XS · pith_short_16: NLUR5U7HJ5XSXPVF · pith_short_8: NLUR5U7H

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/NLUR5U7HJ5XSXPVFVDT73G2IXQ \
  | 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: 6ae91ed3e74f6f2bbea5a8e7fd9b48bc32f4078b937046993726d221cd20f8bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbcb7f3ef682b1c9966f29da393e500030425d5f7357852c130f365fa53738e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-01-02T13:58:01Z",
    "title_canon_sha256": "9c8766efd8e62c185f2b64bd303b54540577a6e90072b1ada8b7e1309f870613"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00389",
    "kind": "arxiv",
    "version": 2
  }
}