Pith Number

pith:KJ4XMDJB

pith:2020:KJ4XMDJBVJYWE4KZXGMCLUFTQB

not attested not anchored not stored refs pending

Service Ecosystem: A Lens of Smart Society

Bing Li, Bin Hu, Chengzhi Qin, HongYue Wu, Lu Zhang, Shizhan Chen, Shufang Wang, Xiao Xue, Zhangbing Zhou, Zhiyong Feng, Zhongjie Wang

arxiv:2008.03418 v2 · 2020-08-08 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KJ4XMDJBVJYWE4KZXGMCLUFTQB}

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	2026-07-05T01:33:00.213835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5279760d21aa71627159b99825d0b3805a975ce6e14ba85de6474623631cc63b

Aliases

arxiv: 2008.03418 · arxiv_version: 2008.03418v2 · doi: 10.48550/arxiv.2008.03418 · pith_short_12: KJ4XMDJBVJYW · pith_short_16: KJ4XMDJBVJYWE4KZ · pith_short_8: KJ4XMDJB

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/KJ4XMDJBVJYWE4KZXGMCLUFTQB \
  | 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: 5279760d21aa71627159b99825d0b3805a975ce6e14ba85de6474623631cc63b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33d2d3a6dc9dc01ec0fe2d8cd922bf29ef55afc29749cbf9033d9adf4005047e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-08-08T02:20:53Z",
    "title_canon_sha256": "51ef83320d55c7e12f7c0ec9e4eda3fffc500a60ba08c3a328babce4b8a009b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.03418",
    "kind": "arxiv",
    "version": 2
  }
}