Pith Number

pith:55UPA2RU

pith:2013:55UPA2RULXQHB3VSFZHKFNZRF7

not attested not anchored not stored refs pending

A Community Based Algorithm for Large Scale Web Service Composition

Chantal Cherifi, Jean-Francois Santucci, Yvan Rivierre

arxiv:1305.0187 v1 · 2013-05-01 · cs.AI · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55UPA2RULXQHB3VSFZHKFNZRF7}

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	2026-05-18T03:26:41.739341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef68f06a345de070eeb22e4ea2b7312ff851a3a380e086e4a91b0ba900b85cad

Aliases

arxiv: 1305.0187 · arxiv_version: 1305.0187v1 · doi: 10.48550/arxiv.1305.0187 · pith_short_12: 55UPA2RULXQH · pith_short_16: 55UPA2RULXQHB3VS · pith_short_8: 55UPA2RU

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/55UPA2RULXQHB3VSFZHKFNZRF7 \
  | 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: ef68f06a345de070eeb22e4ea2b7312ff851a3a380e086e4a91b0ba900b85cad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf556915aa7c2a47e1ea6db8a57c3a8bfdf6597d8d395d65e74db2022fd203a7",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-05-01T14:44:22Z",
    "title_canon_sha256": "00a8f7d8a1531b16db7437c80df4384349936663c8f02dd9c5ef8667876855ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0187",
    "kind": "arxiv",
    "version": 1
  }
}