pith. sign in
Pith Number

pith:CL7SKVVL

pith:2011:CL7SKVVLVAX2IRYPW65S3ZHWEJ
not attested not anchored not stored refs pending

With a little help from my friends

Anthony G. O'Farrell

arxiv:1101.4623 v1 · 2011-01-24 · math.FA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CL7SKVVLVAX2IRYPW65S3ZHWEJ}

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 2026-05-18T02:59:45.589334Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

12ff2556aba82fa4470fb7bb2de4f62258d343b93b7cf3afc1c44ee886f81375

Aliases

arxiv: 1101.4623 · arxiv_version: 1101.4623v1 · doi: 10.48550/arxiv.1101.4623 · pith_short_12: CL7SKVVLVAX2 · pith_short_16: CL7SKVVLVAX2IRYP · pith_short_8: CL7SKVVL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CL7SKVVLVAX2IRYPW65S3ZHWEJ \
  | 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: 12ff2556aba82fa4470fb7bb2de4f62258d343b93b7cf3afc1c44ee886f81375
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "625c03bb73cf0a5f747e46b0bd4971d21026532263fa678ed0c5e1db3e3fb9f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2011-01-24T18:53:18Z",
    "title_canon_sha256": "ed72b337a66c4b02681046f6afc2f0efa3a36bcb3b0e01c5e1e00ce8f1af7534"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4623",
    "kind": "arxiv",
    "version": 1
  }
}