Pith Number

pith:TTV7QEFO

pith:2020:TTV7QEFOZ56SS27R5JY3IJ7Z63

not attested not anchored not stored refs pending

How the world's collective attention is being paid to a pandemic: COVID-19 related n-gram time series for 24 languages on Twitter

A. J. Reagan, C. M. Danforth, D. R. Dewhurst, J. L. Adams, J. R. Minot, M. V. Arnold, P. S. Dodds, R. Muhamad, T. Alshaabi

arxiv:2003.12614 v4 · 2020-03-27 · physics.soc-ph · 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{TTV7QEFOZ56SS27R5JY3IJ7Z63}

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	2026-07-05T02:05:06.332624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cebf810aecf7d296bf1ea71b427f9f6d9f099b44c3f0a587d04ffaec3a2f2a8

Aliases

arxiv: 2003.12614 · arxiv_version: 2003.12614v4 · doi: 10.48550/arxiv.2003.12614 · pith_short_12: TTV7QEFOZ56S · pith_short_16: TTV7QEFOZ56SS27R · pith_short_8: TTV7QEFO

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/TTV7QEFOZ56SS27R5JY3IJ7Z63 \
  | 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: 9cebf810aecf7d296bf1ea71b427f9f6d9f099b44c3f0a587d04ffaec3a2f2a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb55ac9aefcb84177a80e76bfee0b72edaa079b9f7a4024852f9384d888f95c1",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2020-03-27T19:47:31Z",
    "title_canon_sha256": "188e88ecf8f534f8714e25c78520c53870d61ae32120815380c2e8ceaea5686e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.12614",
    "kind": "arxiv",
    "version": 4
  }
}