Pith Number

pith:VD4XKAVM

pith:2006:VD4XKAVMIYSHSS5UMUYPIG3KVX

not attested not anchored not stored refs pending

Toward Functionality Oriented Programming

Chengpu Wang

arxiv:cs/0606102 v3 · 2006-06-24 · cs.PL · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VD4XKAVMIYSHSS5UMUYPIG3KVX}

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	2026-05-18T04:28:20.661293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8f97502ac4624794bb46530f41b6aadc2435b3f900b976cb1a7e5686945d7b8

Aliases

arxiv: cs/0606102 · arxiv_version: cs/0606102v3 · doi: 10.48550/arxiv.cs/0606102 · pith_short_12: VD4XKAVMIYSH · pith_short_16: VD4XKAVMIYSHSS5U · pith_short_8: VD4XKAVM

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/VD4XKAVMIYSHSS5UMUYPIG3KVX \
  | 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: a8f97502ac4624794bb46530f41b6aadc2435b3f900b976cb1a7e5686945d7b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3adf6d2f4e8da08cf0a670919f79d1a1e58a51a8a9debadf45f725e73149d20d",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "",
    "primary_cat": "cs.PL",
    "submitted_at": "2006-06-24T18:51:54Z",
    "title_canon_sha256": "875210290c689156ef840fad0f9c84e5a9d360d47aebd4e87b6fc1e4d0a497d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0606102",
    "kind": "arxiv",
    "version": 3
  }
}