Pith Number

pith:ZUG5TPJV

pith:2017:ZUG5TPJVBXUUTMEH3RC4SFP23J

not attested not anchored not stored refs pending

HelPal: A Search System for Mobile Crowd Service

Cuiping Li, Hong Chen, Tianzhen Wu, Xiaoying Zhang, Yao Wu, Yuncheng Wu, Ziyi Xiong

arxiv:1712.09010 v1 · 2017-12-25 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZUG5TPJVBXUUTMEH3RC4SFP23J}

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	2026-05-18T00:27:14.638130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd0dd9bd350de949b087dc45c915fada4d02c2a3a42ad150ad868383e3f79690

Aliases

arxiv: 1712.09010 · arxiv_version: 1712.09010v1 · doi: 10.48550/arxiv.1712.09010 · pith_short_12: ZUG5TPJVBXUU · pith_short_16: ZUG5TPJVBXUUTMEH · pith_short_8: ZUG5TPJV

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/ZUG5TPJVBXUUTMEH3RC4SFP23J \
  | 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: cd0dd9bd350de949b087dc45c915fada4d02c2a3a42ad150ad868383e3f79690

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4597714878a6fe8ae5b9436e0f720c36d3709e932d48cd47dc1e9420ef64ab8d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-12-25T05:22:24Z",
    "title_canon_sha256": "45d550c38f32143ada16b785a52acbf8e4b6ea812d153ae9ca7afc388afecc2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09010",
    "kind": "arxiv",
    "version": 1
  }
}