Pith Number

pith:UKTGWKJM

pith:2011:UKTGWKJMC75AVFNU75BALNQSI6

not attested not anchored not stored refs pending

Divergence of mock and scrambled Fourier series

Deguang Han, Dorin Ervin Dutkay, Qiyu Sun

arxiv:1103.4380 v2 · 2011-03-22 · math.FA

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

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	2026-05-18T03:46:18.680753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2a66b292c17fa0a95b4ff4205b61247a4ffb9e897c7a13d6bae31b8047decd1

Aliases

arxiv: 1103.4380 · arxiv_version: 1103.4380v2 · doi: 10.48550/arxiv.1103.4380 · pith_short_12: UKTGWKJMC75A · pith_short_16: UKTGWKJMC75AVFNU · pith_short_8: UKTGWKJM

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/UKTGWKJMC75AVFNU75BALNQSI6 \
  | 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: a2a66b292c17fa0a95b4ff4205b61247a4ffb9e897c7a13d6bae31b8047decd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccbb71ee4aade28803cea85bfb8613e7113b7a93c03e41975b1d0e446232e9e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2011-03-22T20:52:09Z",
    "title_canon_sha256": "58062f3ae4d7f08d970e3b3fbfb2939c729958761f0c17a76d06b0661f0e8aa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4380",
    "kind": "arxiv",
    "version": 2
  }
}