Pith Number

pith:2IEVEZIH

pith:2011:2IEVEZIHFILFLWIBLID7KPYJHX

not attested not anchored not stored refs pending

Half eigenvalues and the Fucik spectrum of multi-point, boundary value problems

Bryan P. Rynne, Francois Genoud

arxiv:1110.0712 v1 · 2011-10-04 · 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{2IEVEZIHFILFLWIBLID7KPYJHX}

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	2026-05-18T03:40:25.781724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2095265072a1655d9015a07f53f093ddc0d916694c709b236299854f62948c4

Aliases

arxiv: 1110.0712 · arxiv_version: 1110.0712v1 · doi: 10.48550/arxiv.1110.0712 · pith_short_12: 2IEVEZIHFILF · pith_short_16: 2IEVEZIHFILFLWIB · pith_short_8: 2IEVEZIH

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/2IEVEZIHFILFLWIBLID7KPYJHX \
  | 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: d2095265072a1655d9015a07f53f093ddc0d916694c709b236299854f62948c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5bbc9fdb04848acc52ce2c7687fbb546e5ebfa1946c34832140f28c8b7c7a73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-10-04T15:01:59Z",
    "title_canon_sha256": "b4ea15ecdf8ba02923f415992ef2c30aeec105d2e21a167f2e0adcf7f6b479ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0712",
    "kind": "arxiv",
    "version": 1
  }
}