Pith Number

pith:DUH4SHCL

pith:2021:DUH4SHCLYSCV273AXAYEVVIFWD

not attested not anchored not stored refs pending

Variance of Twitter Embeddings and Temporal Trends of COVID-19 cases

Ambika Sadhu, Khushbu Pahwa, Mayank Sethi, Sargun Nagpal, Tavpritesh Sethi

arxiv:2110.00031 v2 · 2021-09-30 · 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{DUH4SHCLYSCV273AXAYEVVIFWD}

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	2026-07-05T03:44:13.493877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d0fc91c4bc4855d7f60b8304ad505b0cc02c6c87857eec2616279fd9d8cd188

Aliases

arxiv: 2110.00031 · arxiv_version: 2110.00031v2 · doi: 10.48550/arxiv.2110.00031 · pith_short_12: DUH4SHCLYSCV · pith_short_16: DUH4SHCLYSCV273A · pith_short_8: DUH4SHCL

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/DUH4SHCLYSCV273AXAYEVVIFWD \
  | 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: 1d0fc91c4bc4855d7f60b8304ad505b0cc02c6c87857eec2616279fd9d8cd188

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b69a66078feabefd20de3fe0be5a63112a7c4fba519fab95e5e888afd29683e1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-30T18:03:10Z",
    "title_canon_sha256": "430521750648e36bcd83e5a53dd35327b87435ad4b39c2edc065595e8d5ce4f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.00031",
    "kind": "arxiv",
    "version": 2
  }
}