Pith Number

pith:5F2BQRIQ

pith:2021:5F2BQRIQNVZT5XX2ISWL2NPP7V

not attested not anchored not stored refs pending

Reasoning Over Virtual Knowledge Bases With Open Predicate Relations

Bhuwan Dhingra, Haitian Sun, Pat Verga, Ruslan Salakhutdinov, William W. Cohen

arxiv:2102.07043 v2 · 2021-02-14 · cs.AI · cs.CL · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5F2BQRIQNVZT5XX2ISWL2NPP7V}

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	2026-07-05T02:49:25.062591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9741845106d733edefa44acbd35effd6a063654c04abb2ada6905ea96453381

Aliases

arxiv: 2102.07043 · arxiv_version: 2102.07043v2 · doi: 10.48550/arxiv.2102.07043 · pith_short_12: 5F2BQRIQNVZT · pith_short_16: 5F2BQRIQNVZT5XX2 · pith_short_8: 5F2BQRIQ

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/5F2BQRIQNVZT5XX2ISWL2NPP7V \
  | 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: e9741845106d733edefa44acbd35effd6a063654c04abb2ada6905ea96453381

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa62c843f1efb3528d6d195b3449658f23001b9d8c94933bb78d3ac9397ee7ed",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-02-14T01:29:54Z",
    "title_canon_sha256": "976f7269c6fead7b416ad6fc43cfb2eb7e93ee8067a771da80a19425d9e825f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.07043",
    "kind": "arxiv",
    "version": 2
  }
}