Pith Number

pith:SQULID2N

pith:2013:SQULID2NITPNTI3RR7A5LPQPEC

not attested not anchored not stored refs pending

A short proof of the Arendt-Chernoff-Kato theorem

Sergiy Koshkin

arxiv:1308.3263 v1 · 2013-08-14 · 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{SQULID2NITPNTI3RR7A5LPQPEC}

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	2026-05-18T03:15:55.286922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9428b40f4d44ded9a3718fc1d5be0f20be9006ed7f09aec7d4cc31885671ead0

Aliases

arxiv: 1308.3263 · arxiv_version: 1308.3263v1 · doi: 10.48550/arxiv.1308.3263 · pith_short_12: SQULID2NITPN · pith_short_16: SQULID2NITPNTI3R · pith_short_8: SQULID2N

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/SQULID2NITPNTI3RR7A5LPQPEC \
  | 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: 9428b40f4d44ded9a3718fc1d5be0f20be9006ed7f09aec7d4cc31885671ead0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d76533ebc1d75d11d5a6ae131d0b1adb971731b234370a26d1128e8c968bfd0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-08-14T21:52:36Z",
    "title_canon_sha256": "5b0865dc88294f6232439006b0fc9eeb2ca527c17c304a2d31ef14929e4973a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3263",
    "kind": "arxiv",
    "version": 1
  }
}