Pith Number

pith:H4WUEXRH

pith:2020:H4WUEXRH7LPXEQOZA2FW6PAUFZ

not attested not anchored not stored refs pending

Optimal Team Recruitment Strategies for Collaborative Mobile Crowdsourcing Systems

Aymen Hamrouni, Hakim Ghazzai, Turki Alelyani, Yehia Massoud

arxiv:2004.11512 v2 · 2020-04-24 · cs.SI · cs.CY · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4WUEXRH7LPXEQOZA2FW6PAUFZ}

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	2026-07-05T00:58:54.183993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f2d425e27fadf7241d9068b6f3c142e68d2d382de91dfe1557dc3ba77e35362

Aliases

arxiv: 2004.11512 · arxiv_version: 2004.11512v2 · doi: 10.48550/arxiv.2004.11512 · pith_short_12: H4WUEXRH7LPX · pith_short_16: H4WUEXRH7LPXEQOZ · pith_short_8: H4WUEXRH

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/H4WUEXRH7LPXEQOZA2FW6PAUFZ \
  | 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: 3f2d425e27fadf7241d9068b6f3c142e68d2d382de91dfe1557dc3ba77e35362

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf32d97da9df6ac9026eda9eb9828b6f8ed8568b58fdcaf9850ecdee97a8359d",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2020-04-24T02:38:39Z",
    "title_canon_sha256": "cbf4ab9a497d44702300ac0af0a9cce21ac5c6dcc3495a2294bd47b8c47fc8f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.11512",
    "kind": "arxiv",
    "version": 2
  }
}