Pith Number

pith:Y4HWL4SI

pith:2019:Y4HWL4SIJMMRPSWUHS6CP7KWL7

not attested not anchored not stored refs pending

Predicting US State-Level Agricultural Sentiment as a Measure of Food Security with Tweets from Farming Communities

Brooke Husic, Darren Hau, Jared Dunnmon, Swetava Ganguli

arxiv:1902.07087 v2 · 2019-02-13 · cs.CL · cs.LG · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y4HWL4SIJMMRPSWUHS6CP7KWL7}

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	2026-05-17T23:47:43.776391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c70f65f2484b1917cad43cbc27fd565fee7a4ba3511b205d6aebff7aaf7465f4

Aliases

arxiv: 1902.07087 · arxiv_version: 1902.07087v2 · doi: 10.48550/arxiv.1902.07087 · pith_short_12: Y4HWL4SIJMMR · pith_short_16: Y4HWL4SIJMMRPSWU · pith_short_8: Y4HWL4SI

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/Y4HWL4SIJMMRPSWUHS6CP7KWL7 \
  | 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: c70f65f2484b1917cad43cbc27fd565fee7a4ba3511b205d6aebff7aaf7465f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2a26127450d0231e3223054efd8b2caf5070ad2c843fb6a092bd8e41a032d1a",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-02-13T20:29:00Z",
    "title_canon_sha256": "fed8bda92566516b97e73442088fc3d2e703c86b1a9615fd7f2846bffe848779"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07087",
    "kind": "arxiv",
    "version": 2
  }
}