Pith Number

pith:JN5QDCAG

pith:2017:JN5QDCAG3IZSG3P7LSEFM3PIA6

not attested not anchored not stored refs pending

Alternating sums in hyperbolic Pascal triangles

L\'aszl\'o N\'emeth, L\'aszl\'o Szalay

arxiv:1702.01640 v1 · 2017-01-21 · math.CO · 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{JN5QDCAG3IZSG3P7LSEFM3PIA6}

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	2026-05-18T00:48:36.747304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b7b018806da33236dff5c88566de807b71627d7119fdbb0cd0c8d866277af2b

Aliases

arxiv: 1702.01640 · arxiv_version: 1702.01640v1 · doi: 10.48550/arxiv.1702.01640 · pith_short_12: JN5QDCAG3IZS · pith_short_16: JN5QDCAG3IZSG3P7 · pith_short_8: JN5QDCAG

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/JN5QDCAG3IZSG3P7LSEFM3PIA6 \
  | 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: 4b7b018806da33236dff5c88566de807b71627d7119fdbb0cd0c8d866277af2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "762707df50b2af25a5cd8e4f4be8b14e1e74887cf570ad627653b8b8749fda4b",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-01-21T11:21:26Z",
    "title_canon_sha256": "e44f42fd4581d761251821fe3dd32b74c3ec8d00ba09ca0af2f14ea082e8b887"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01640",
    "kind": "arxiv",
    "version": 1
  }
}