Pith Number

pith:CLRW5KRD

pith:2018:CLRW5KRDWTBOFN3DRS4BYE2BXD

not attested not anchored not stored refs pending

WorldTree: A Corpus of Explanation Graphs for Elementary Science Questions supporting Multi-Hop Inference

Clayton T. Morrison, Elizabeth Wainwright, Peter A. Jansen, Steven Marmorstein

arxiv:1802.03052 v1 · 2018-02-08 · cs.CL · cs.AI · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CLRW5KRDWTBOFN3DRS4BYE2BXD}

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	2026-05-18T00:24:02.151622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12e36eaa23b4c2e2b7638cb81c1341b8c877f2e56260787d76e6c8b9d1f521bf

Aliases

arxiv: 1802.03052 · arxiv_version: 1802.03052v1 · doi: 10.48550/arxiv.1802.03052 · pith_short_12: CLRW5KRDWTBO · pith_short_16: CLRW5KRDWTBOFN3D · pith_short_8: CLRW5KRD

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/CLRW5KRDWTBOFN3DRS4BYE2BXD \
  | 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: 12e36eaa23b4c2e2b7638cb81c1341b8c877f2e56260787d76e6c8b9d1f521bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08305da9c4117fe127ad92993a0ff37e16bb8b48f244faca4d83060253ba407a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-02-08T21:26:03Z",
    "title_canon_sha256": "5640584e8736dcfddf58d8cab5e7e1972f9f4d72a8aae000be4ed5a74baeb13f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03052",
    "kind": "arxiv",
    "version": 1
  }
}