Pith Number

pith:DFXSQDSS

pith:2015:DFXSQDSSIX5UTATOBGY443YSLV

not attested not anchored not stored refs pending

Computing Spectra -- On the Solvability Complexity Index Hierarchy and Towers of Algorithms

Anders C. Hansen, Jonathan Ben-Artzi, Markus Seidel, Matthew J. Colbrook, Olavi Nevanlinna

arxiv:1508.03280 v5 · 2015-08-13 · cs.CC · cs.NA · math-ph · math.LO · math.MP · math.NA · math.SP

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFXSQDSSIX5UTATOBGY443YSLV}

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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.

Cited by

4 papers in Pith

Finite-Query Collapse and Modal Exact Bases in the SCI Hierarchy

From Witness-Space Sharpness To Family-Pointwise Exactness For The Solvability Complexity Index

Residual SCI Upper Bounds And Lower Witnesses For Koopman Approximate Point Spectra In $L^p$ For $1<p<\infty$: Extended Version

From Witness-Space Sharpness To Family-Pointwise Exactness For The Solvability Complexity Index

Receipt and verification

First computed	2026-07-05T01:10:09.746633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

196f280e5245fb49826e09b1ce6f125d40ee22fb62c74f1c6edfb72af2b575e1

Aliases

arxiv: 1508.03280 · arxiv_version: 1508.03280v5 · doi: 10.48550/arxiv.1508.03280 · pith_short_12: DFXSQDSSIX5U · pith_short_16: DFXSQDSSIX5UTATO · pith_short_8: DFXSQDSS

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/DFXSQDSSIX5UTATOBGY443YSLV \
  | 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: 196f280e5245fb49826e09b1ce6f125d40ee22fb62c74f1c6edfb72af2b575e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcb9118dde61a4f62f5eba26a0eb0318ba16842e1c79508dd34ba1f7e761dbf1",
    "cross_cats_sorted": [
      "cs.NA",
      "math-ph",
      "math.LO",
      "math.MP",
      "math.NA",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-08-13T17:42:14Z",
    "title_canon_sha256": "32de6983e1b1bfbbf9bffa300bd1dcbe39cee90008e1753ce73067590e83d888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03280",
    "kind": "arxiv",
    "version": 5
  }
}