Pith Number

pith:BIZGAV54

pith:2015:BIZGAV54SVYR6Q2G77AYISGMIL

not attested not anchored not stored refs pending

On known and less known relations of Leonhard Euler with Poland

Roman Sznajder

arxiv:1505.02411 v2 · 2015-05-10 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BIZGAV54SVYR6Q2G77AYISGMIL}

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	2026-05-18T01:21:19.636379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a326057bc95711f4346ffc18448cc42fe891150cbb1e0b1bfb2edabd62b836d

Aliases

arxiv: 1505.02411 · arxiv_version: 1505.02411v2 · doi: 10.48550/arxiv.1505.02411 · pith_short_12: BIZGAV54SVYR · pith_short_16: BIZGAV54SVYR6Q2G · pith_short_8: BIZGAV54

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/BIZGAV54SVYR6Q2G77AYISGMIL \
  | 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: 0a326057bc95711f4346ffc18448cc42fe891150cbb1e0b1bfb2edabd62b836d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03c02692f3ba156aa0fe48ddaaec774ab673339db442fd5f192ea56a386790ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2015-05-10T17:30:27Z",
    "title_canon_sha256": "33913e7f4da1cd1002a7dd74c99dfc06b0faee40ad843d78caad904e21270ea8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02411",
    "kind": "arxiv",
    "version": 2
  }
}