Pith Number

pith:6ZRYU6TL

pith:2009:6ZRYU6TLKJB5KPCJO7UZADQ5BR

not attested not anchored not stored refs pending

Reasoning About a Service-oriented Programming Paradigm

Claudio Guidi, Fabrizio Montesi

arxiv:0906.3920 v1 · 2009-06-22 · cs.PL · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ZRYU6TLKJB5KPCJO7UZADQ5BR}

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	2026-07-04T15:44:06.146634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6638a7a6b5243d53c4977e9900e1d0c5a26a60563022be7fe1400d1097c48d0

Aliases

arxiv: 0906.3920 · arxiv_version: 0906.3920v1 · doi: 10.48550/arxiv.0906.3920 · pith_short_12: 6ZRYU6TLKJB5 · pith_short_16: 6ZRYU6TLKJB5KPCJ · pith_short_8: 6ZRYU6TL

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/6ZRYU6TLKJB5KPCJO7UZADQ5BR \
  | 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: f6638a7a6b5243d53c4977e9900e1d0c5a26a60563022be7fe1400d1097c48d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb7288ebe6817a04092876a1fb23e98e2eb6f57056d614a1dbfe362232353091",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2009-06-22T05:49:12Z",
    "title_canon_sha256": "0bbe3f497776780bbb5ac51a3fa1d459f5080a9fb77ad3f9aef13173a12bf4ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3920",
    "kind": "arxiv",
    "version": 1
  }
}