Pith Number

pith:VDDAI3RT

pith:2018:VDDAI3RT4ROZ5EH355UJONSQLD

not attested not anchored not stored refs pending

fc: A Package for Generalized Function Composition Using Standard Evaluation

Michael John Kane, Xiaofei Wang

arxiv:1806.11021 v1 · 2018-06-28 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VDDAI3RT4ROZ5EH355UJONSQLD}

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	2026-05-18T00:12:07.230588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8c6046e33e45d9e90fbef6897365058cb4ba75356efd9ae7138193071f63564

Aliases

arxiv: 1806.11021 · arxiv_version: 1806.11021v1 · doi: 10.48550/arxiv.1806.11021 · pith_short_12: VDDAI3RT4ROZ · pith_short_16: VDDAI3RT4ROZ5EH3 · pith_short_8: VDDAI3RT

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/VDDAI3RT4ROZ5EH355UJONSQLD \
  | 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: a8c6046e33e45d9e90fbef6897365058cb4ba75356efd9ae7138193071f63564

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "924dd8e099dfdded65353ea62e920156842c85ab8382e3e06bc09f917eb949f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2018-06-28T14:59:16Z",
    "title_canon_sha256": "5f9bd046fe0efba6951d938c3fa6f49fa0ece08247d8beff4a3f22a44e928c3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11021",
    "kind": "arxiv",
    "version": 1
  }
}