Pith Number

pith:PH24U2DM

pith:2023:PH24U2DMCBGVNYKQKDMGS2WGP5

not attested not anchored not stored refs pending

Eigenvalue estimates for Fourier concentration operators on two domains

Felipe Marceca, Jos\'e Luis Romero, Michael Speckbacher

arxiv:2301.11685 v3 · 2023-01-27 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PH24U2DMCBGVNYKQKDMGS2WGP5}

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	2026-07-05T07:53:46.450938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79f5ca686c104d56e15050d8696ac67f5b07f35c4116e3cb373baabba9024e07

Aliases

arxiv: 2301.11685 · arxiv_version: 2301.11685v3 · doi: 10.48550/arxiv.2301.11685 · pith_short_12: PH24U2DMCBGV · pith_short_16: PH24U2DMCBGVNYKQ · pith_short_8: PH24U2DM

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/PH24U2DMCBGVNYKQKDMGS2WGP5 \
  | 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: 79f5ca686c104d56e15050d8696ac67f5b07f35c4116e3cb373baabba9024e07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "112b59b1526a79d7705f3136c8b82987d459d65792ac4b5c10e29f1f3b5d02c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2023-01-27T12:48:50Z",
    "title_canon_sha256": "f3b4a558903e938e94c4374e240d761ce77faf71b56b6139ac70c3a475b12b57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.11685",
    "kind": "arxiv",
    "version": 3
  }
}