Pith Number

pith:3V7KVVZM

pith:2021:3V7KVVZM4YY7IECLAAR7FMLNNN

not attested not anchored not stored refs pending

IFoodCloud: A Platform for Real-time Sentiment Analysis of Public Opinion about Food Safety in China

Bingwen Zhang, Chunmeng He, Dachuan Zhang, Haorui Ma, Haoyang Zhang, Xiaoling Xie, Xingran Kou, Xin Zeng, Yan Li, Zhiheng Mao, Zhisheng Wei

arxiv:2102.11033 v1 · 2021-02-17 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3V7KVVZM4YY7IECLAAR7FMLNNN}

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	2026-07-05T02:17:04.045381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd7eaad72ce631f4104b0023f2b16d6b4a92dfe3553c7f308832fc81e1c5efa9

Aliases

arxiv: 2102.11033 · arxiv_version: 2102.11033v1 · doi: 10.48550/arxiv.2102.11033 · pith_short_12: 3V7KVVZM4YY7 · pith_short_16: 3V7KVVZM4YY7IECL · pith_short_8: 3V7KVVZM

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/3V7KVVZM4YY7IECLAAR7FMLNNN \
  | 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: dd7eaad72ce631f4104b0023f2b16d6b4a92dfe3553c7f308832fc81e1c5efa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccb5c12d9438530c7eb25616b57d1053d46a2a84b602cc5fed2045d2b715e7c2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-02-17T04:42:33Z",
    "title_canon_sha256": "09115f08a2680f85c64c1b65dec65ae5eeec071485c5904404fcf983fc87cd8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.11033",
    "kind": "arxiv",
    "version": 1
  }
}