Pith Number

pith:GT37YV5S

pith:2018:GT37YV5SXMFR76W3GKTC6L3EIX

not attested not anchored not stored refs pending

Eigenvalue Problems for Lam\'e's Differential Equation

Hans Volkmer

arxiv:1808.04877 v2 · 2018-08-14 · 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{GT37YV5SXMFR76W3GKTC6L3EIX}

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	2026-05-17T23:58:30.590031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34f7fc57b2bb0b1ffadb32a62f2f6445e5ad6fa35aef7bc69719d0293e6e93ff

Aliases

arxiv: 1808.04877 · arxiv_version: 1808.04877v2 · doi: 10.48550/arxiv.1808.04877 · pith_short_12: GT37YV5SXMFR · pith_short_16: GT37YV5SXMFR76W3 · pith_short_8: GT37YV5S

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/GT37YV5SXMFR76W3GKTC6L3EIX \
  | 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: 34f7fc57b2bb0b1ffadb32a62f2f6445e5ad6fa35aef7bc69719d0293e6e93ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b045db258fa8d75742888cbb27c8c43c06a678c5bd22f02f19011eb759d92a7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-08-14T19:57:21Z",
    "title_canon_sha256": "77a7ded06f441264f52e59b5dc973b8aaae4305a403435646001cd86ae8df30d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04877",
    "kind": "arxiv",
    "version": 2
  }
}