Pith Number

pith:2JLS7TOM

pith:2012:2JLS7TOMTUNINQQAI7YMPRHA2Y

not attested not anchored not stored refs pending

F\olner sequences and finite operators

Dmitry V. Yakubovich, Fernando Lled\'o

arxiv:1210.1380 v1 · 2012-10-04 · math.OA · 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{2JLS7TOMTUNINQQAI7YMPRHA2Y}

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	2026-05-18T03:28:42.469459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2572fcdcc9d1a86c20047f0c7c4e0d63f9d25a081a069ee38d245eb915d2118

Aliases

arxiv: 1210.1380 · arxiv_version: 1210.1380v1 · doi: 10.48550/arxiv.1210.1380 · pith_short_12: 2JLS7TOMTUNI · pith_short_16: 2JLS7TOMTUNINQQA · pith_short_8: 2JLS7TOM

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/2JLS7TOMTUNINQQAI7YMPRHA2Y \
  | 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: d2572fcdcc9d1a86c20047f0c7c4e0d63f9d25a081a069ee38d245eb915d2118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f7c647544b17e8a2cb7baeadd4cdd28727217c805c6dfe3eee6d4aac97b57d0",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2012-10-04T10:56:38Z",
    "title_canon_sha256": "bbfeb9698ab488d2fe1bf298c8c4aeb7e635c491f9b714e97546162501f57490"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1380",
    "kind": "arxiv",
    "version": 1
  }
}