Pith Number

pith:6647O5DN

pith:2026:6647O5DNX5YSAICTXKWI7RKKC5

not attested not anchored not stored refs pending

Spectral constants for the quantum annulus

James E. Pascoe, Nitin Tomar, Sourav Pal

arxiv:2601.17560 v2 · 2026-01-24 · math.FA · math.CV · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6647O5DNX5YSAICTXKWI7RKKC5}

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	2026-05-25T02:02:12.575263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7b9f7746dbf71202053baac8fc54a175d1d2296399951caa7150dc355cf80e9

Aliases

arxiv: 2601.17560 · arxiv_version: 2601.17560v2 · doi: 10.48550/arxiv.2601.17560 · pith_short_12: 6647O5DNX5YS · pith_short_16: 6647O5DNX5YSAICT · pith_short_8: 6647O5DN

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/6647O5DNX5YSAICTXKWI7RKKC5 \
  | 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: f7b9f7746dbf71202053baac8fc54a175d1d2296399951caa7150dc355cf80e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b71ceebbe89b7c486e404414a1d9a36be5aa165a75bb32280d24a2a15ee7e1ef",
    "cross_cats_sorted": [
      "math.CV",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2026-01-24T19:10:47Z",
    "title_canon_sha256": "e93c7f95622bb38d268e0f56b7b942aabfb8abfe6c836cb31ed2393943257139"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.17560",
    "kind": "arxiv",
    "version": 2
  }
}