Pith Number

pith:D4IAUECC

pith:2020:D4IAUECCFH4K5XSQKH2N4KY6QR

not attested not anchored not stored refs pending

WNUT-2020 Task 2: Identification of Informative COVID-19 English Tweets

Afshin Rahimi, Dat Quoc Nguyen, Linh The Nguyen, Long Doan, Mai Hoang Dao, Thanh Vu

arxiv:2010.08232 v1 · 2020-10-16 · 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{D4IAUECCFH4K5XSQKH2N4KY6QR}

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	2026-07-05T01:43:32.767930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f100a104229f8aede5051f4de2b1e844dd80ab78cefd4f7acc881280b7e15af

Aliases

arxiv: 2010.08232 · arxiv_version: 2010.08232v1 · doi: 10.48550/arxiv.2010.08232 · pith_short_12: D4IAUECCFH4K · pith_short_16: D4IAUECCFH4K5XSQ · pith_short_8: D4IAUECC

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/D4IAUECCFH4K5XSQKH2N4KY6QR \
  | 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: 1f100a104229f8aede5051f4de2b1e844dd80ab78cefd4f7acc881280b7e15af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37a93d865ae2a1827ace0f37e4de5ec156c70cb792286bdead17f1706f2f4722",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-10-16T08:28:05Z",
    "title_canon_sha256": "53db1c7b7a54a8afe0d5da3a913e3229b68d862706bc43c1b4cea773e0929ff4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.08232",
    "kind": "arxiv",
    "version": 1
  }
}