Pith Number

pith:2KNRWBPY

pith:2021:2KNRWBPYCWZJS76KBARCBW7RHP

not attested not anchored not stored refs pending

CovidTracker: A comprehensive Covid-related social media dataset for NLP tasks

Amir Hussain, Richard Plant

arxiv:2103.16446 v2 · 2021-03-30 · cs.SI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KNRWBPYCWZJS76KBARCBW7RHP}

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	2026-07-05T04:32:36.868282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d29b1b05f815b2997fca082220dbf13beb3e5e351cebbf04355ef21753a12f83

Aliases

arxiv: 2103.16446 · arxiv_version: 2103.16446v2 · doi: 10.48550/arxiv.2103.16446 · pith_short_12: 2KNRWBPYCWZJ · pith_short_16: 2KNRWBPYCWZJS76K · pith_short_8: 2KNRWBPY

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/2KNRWBPYCWZJS76KBARCBW7RHP \
  | 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: d29b1b05f815b2997fca082220dbf13beb3e5e351cebbf04355ef21753a12f83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8409f1905d1e5e58292b7126da4e25a808feba29fb657731f793e37e0acf6aaa",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2021-03-30T15:44:48Z",
    "title_canon_sha256": "545635c9145a753c0a07ab7f5108b5c684359889cdcfc4dbaa98b978cbe26b03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.16446",
    "kind": "arxiv",
    "version": 2
  }
}