Pith Number

pith:2IPICK3I

pith:2016:2IPICK3IDI5YUAMJPD3C7COP7S

not attested not anchored not stored refs pending

Does Levinson's theorem count complex eigenvalues ?

D. Parra, F. Nicoleau, S. Richard

arxiv:1611.04777 v1 · 2016-11-15 · math-ph · math.MP · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IPICK3IDI5YUAMJPD3C7COP7S}

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	2026-05-17T23:51:00.447575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d21e812b681a3b8a018978f62f89cffc984b714eab08741163e43a5714dab6d7

Aliases

arxiv: 1611.04777 · arxiv_version: 1611.04777v1 · doi: 10.48550/arxiv.1611.04777 · pith_short_12: 2IPICK3IDI5Y · pith_short_16: 2IPICK3IDI5YUAMJ · pith_short_8: 2IPICK3I

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/2IPICK3IDI5YUAMJPD3C7COP7S \
  | 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: d21e812b681a3b8a018978f62f89cffc984b714eab08741163e43a5714dab6d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54cc6030cdbcd5d01f9389930318d81c99fd55bb288554c2c292a411aec17155",
    "cross_cats_sorted": [
      "math.MP",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-11-15T10:32:01Z",
    "title_canon_sha256": "b451af618c844f53ac90a791baf68ae1d4544ae3fbacfd60b33ec939611c4560"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.04777",
    "kind": "arxiv",
    "version": 1
  }
}