Pith Number

pith:VYFASIV2

pith:2014:VYFASIV2SXGOHBPCFGWFGJANCB

not attested not anchored not stored refs pending

Spectral properties of non-selfadjoint extensions of the Calogero Hamiltonian

G. Metafune, M. Sobajima

arxiv:1405.5660 v1 · 2014-05-22 · 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{VYFASIV2SXGOHBPCFGWFGJANCB}

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	2026-05-18T00:31:29.205906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae0a0922ba95cce385e229ac53240d1076ad298ad6b77fcd05bed706118cd9aa

Aliases

arxiv: 1405.5660 · arxiv_version: 1405.5660v1 · doi: 10.48550/arxiv.1405.5660 · pith_short_12: VYFASIV2SXGO · pith_short_16: VYFASIV2SXGOHBPC · pith_short_8: VYFASIV2

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/VYFASIV2SXGOHBPCFGWFGJANCB \
  | 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: ae0a0922ba95cce385e229ac53240d1076ad298ad6b77fcd05bed706118cd9aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "806296cf0e854a5c238860ab365ff15340cddf681c5ba767963be30ceeaf97b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-05-22T08:06:32Z",
    "title_canon_sha256": "ef301f6a4ca19335f9f3c82600e56ea9b6aed6a7468ae27b615b380fe2a8214e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5660",
    "kind": "arxiv",
    "version": 1
  }
}