Pith Number

pith:Z5K4UZRW

pith:2021:Z5K4UZRWNCNH6BJOBPECI4SURH

not attested not anchored not stored refs pending

A Biomedically oriented automatically annotated Twitter COVID-19 Dataset

Juan M. Banda, Luis Alberto Robles Hernandez, Tiffany J. Callahan

arxiv:2107.12565 v1 · 2021-07-27 · cs.IR · 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{Z5K4UZRWNCNH6BJOBPECI4SURH}

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	2026-07-05T03:00:57.702255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf55ca6636689a7f052e0bc824725489d29b8176e089d2f442f2675bce356690

Aliases

arxiv: 2107.12565 · arxiv_version: 2107.12565v1 · doi: 10.48550/arxiv.2107.12565 · pith_short_12: Z5K4UZRWNCNH · pith_short_16: Z5K4UZRWNCNH6BJO · pith_short_8: Z5K4UZRW

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/Z5K4UZRWNCNH6BJOBPECI4SURH \
  | 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: cf55ca6636689a7f052e0bc824725489d29b8176e089d2f442f2675bce356690

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aae9e0aac64eeea466101499b0628c70736ecb36c2f1ee21d1daf1673fe02c75",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-07-27T02:58:34Z",
    "title_canon_sha256": "5c29103d4eb9ebff581f0a4e231f5252385bd0cead0d142213a33aaa8e6e1a3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.12565",
    "kind": "arxiv",
    "version": 1
  }
}