Pith Number

pith:BYHU537Q

pith:2012:BYHU537QDGI2DV6WBEYVX2LMNX

not attested not anchored not stored refs pending

An Eigenvalue Problem with variable exponents

Giovanni Franzina, Peter Lindqvist

arxiv:1210.1397 v1 · 2012-10-04 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYHU537QDGI2DV6WBEYVX2LMNX}

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	2026-05-18T03:44:03.677161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e0f4eeff01991a1d7d609315be96c6df594dc515a017c62e6b1d5bc46677989

Aliases

arxiv: 1210.1397 · arxiv_version: 1210.1397v1 · doi: 10.48550/arxiv.1210.1397 · pith_short_12: BYHU537QDGI2 · pith_short_16: BYHU537QDGI2DV6W · pith_short_8: BYHU537Q

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/BYHU537QDGI2DV6WBEYVX2LMNX \
  | 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: 0e0f4eeff01991a1d7d609315be96c6df594dc515a017c62e6b1d5bc46677989

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d62546c2387b75f558c4e6bd6ea76d0cbfe4265447af1f9016693ea2f586069d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-10-04T11:57:38Z",
    "title_canon_sha256": "41d183f70569a08dffa055e34e6ddef192620da446c58f0d1a84c08da13d50a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1397",
    "kind": "arxiv",
    "version": 1
  }
}