Pith Number

pith:WTLKRC3L

pith:2020:WTLKRC3LV2NXMUTS6FVN4EWNZB

not attested not anchored not stored refs pending

Value Entropy Model: Metric Method of Service Ecosystem Evolution

Shufang Wang, Xiao Xue, Yucong Duan, Zhangbing Zhou, Zhaojie Chen, Zhiyong Feng

arxiv:2008.02247 v1 · 2020-07-09 · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTLKRC3LV2NXMUTS6FVN4EWNZB}

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	2026-07-05T01:27:48.817143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4d6a88b6bae9b765272f16ade12cdc850a6382c7a8798c723c5726e64107d34

Aliases

arxiv: 2008.02247 · arxiv_version: 2008.02247v1 · doi: 10.48550/arxiv.2008.02247 · pith_short_12: WTLKRC3LV2NX · pith_short_16: WTLKRC3LV2NXMUTS · pith_short_8: WTLKRC3L

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/WTLKRC3LV2NXMUTS6FVN4EWNZB \
  | 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: b4d6a88b6bae9b765272f16ade12cdc850a6382c7a8798c723c5726e64107d34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fc055b30c751cc2d36c538fd050c0f68444c52f9bce94e301bd8c22dc46219c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2020-07-09T01:25:02Z",
    "title_canon_sha256": "c754a9e7370c68ae3e4700e3df1a783c485c268e8de0597b526d9a2673a122bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.02247",
    "kind": "arxiv",
    "version": 1
  }
}