Pith. sign in
Pith Number

pith:NLXX772A

pith:2020:NLXX772ALT47CO7YT6ASD433C3
not attested not anchored not stored refs pending

COVID-19 Knowledge Graph: Accelerating Information Retrieval and Discovery for Scientific Literature

Colby Wise, George Karypis, George Price, Miguel Romero Calvo, Ninad Kulkarni, Parminder Bhatia, Ryan Brand, Vassilis N. Ioannidis, Xiang Song

arxiv:2007.12731 v1 · 2020-07-24 · cs.IR · cs.AI · cs.CL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NLXX772ALT47CO7YT6ASD433C3}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T01:22:03.411237Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6aef7fff405cf9f13bf89f8121f37b16da3271be535ed47ff475e95d7ce5b942

Aliases

arxiv: 2007.12731 · arxiv_version: 2007.12731v1 · doi: 10.48550/arxiv.2007.12731 · pith_short_12: NLXX772ALT47 · pith_short_16: NLXX772ALT47CO7Y · pith_short_8: NLXX772A
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NLXX772ALT47CO7YT6ASD433C3 \
  | 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: 6aef7fff405cf9f13bf89f8121f37b16da3271be535ed47ff475e95d7ce5b942
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b45d3b28236adb959269782a554423a65c2c4c7b1b78b5664ac10dd028882b62",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-07-24T18:29:43Z",
    "title_canon_sha256": "1af7b3cf1fe6492225117c52d773076543a5225d27c3f084c1f2c1f2cd95bf34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.12731",
    "kind": "arxiv",
    "version": 1
  }
}