Pith Number

pith:TQGEONUK

pith:2022:TQGEONUKS2W5BAXGYJSXYOFEIX

not attested not anchored not stored refs pending

SpecSolve: Spectral methods for spectral measures

Andrew Horning, Matthew J. Colbrook

arxiv:2201.01314 v1 · 2022-01-04 · math.NA · cs.NA · 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{TQGEONUKS2W5BAXGYJSXYOFEIX}

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	2026-07-05T03:46:04.602394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c0c47368a96add082e6c2657c38a445da7f3d76bed831068ca7739143b8208c

Aliases

arxiv: 2201.01314 · arxiv_version: 2201.01314v1 · doi: 10.48550/arxiv.2201.01314 · pith_short_12: TQGEONUKS2W5 · pith_short_16: TQGEONUKS2W5BAXG · pith_short_8: TQGEONUK

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/TQGEONUKS2W5BAXGYJSXYOFEIX \
  | 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: 9c0c47368a96add082e6c2657c38a445da7f3d76bed831068ca7739143b8208c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7744289abc9b9f2ba9242fa23c70c08e49dcf27481705ad37906b32da0e3d616",
    "cross_cats_sorted": [
      "cs.NA",
      "math-ph",
      "math.MP",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-01-04T19:04:29Z",
    "title_canon_sha256": "d4452377338207f74aeabd0f495cc09c8be869dc98a396f7ec31a8faf3d28049"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.01314",
    "kind": "arxiv",
    "version": 1
  }
}