Pith Number

pith:R2BRA33G

pith:2018:R2BRA33GEMRIOWKJTYOSYUGDPW

not attested not anchored not stored refs pending

Fine-Grained User Profiling for Personalized Task Matching in Mobile Crowdsensing

Fan Wu, Guihai Chen, Shaojie Tang, Shuo Yang, Zhenzhe Zheng

arxiv:1812.02074 v1 · 2018-11-14 · 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{R2BRA33GEMRIOWKJTYOSYUGDPW}

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	2026-05-17T23:58:59.792486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e83106f6623228759499e1d2c50c37d93c61346b3bbb9375b61adee7bb55092

Aliases

arxiv: 1812.02074 · arxiv_version: 1812.02074v1 · doi: 10.48550/arxiv.1812.02074 · pith_short_12: R2BRA33GEMRI · pith_short_16: R2BRA33GEMRIOWKJ · pith_short_8: R2BRA33G

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/R2BRA33GEMRIOWKJTYOSYUGDPW \
  | 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: 8e83106f6623228759499e1d2c50c37d93c61346b3bbb9375b61adee7bb55092

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f348bc5afde92f055c4c8d867d75420ba9df2db2eb5f4d45ea3e25ff483813b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-11-14T14:37:44Z",
    "title_canon_sha256": "deb6dbca9f609f161b6b4f276b69981d7464548964ed714b1b700365955fa3ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02074",
    "kind": "arxiv",
    "version": 1
  }
}