Pith Number

pith:BP3N7ME5

pith:2018:BP3N7ME5KWESPAM3B5B4S3733H

not attested not anchored not stored refs pending

A Qualitative Comparison of CoQA, SQuAD 2.0 and QuAC

Mark Yatskar

arxiv:1809.10735 v2 · 2018-09-27 · 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{BP3N7ME5KWESPAM3B5B4S3733H}

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	2026-05-17T23:41:45.913468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bf6dfb09d558927819b0f43c96ffbd9c9c5260a4fe32b703328c7b5da2996b4

Aliases

arxiv: 1809.10735 · arxiv_version: 1809.10735v2 · doi: 10.48550/arxiv.1809.10735 · pith_short_12: BP3N7ME5KWES · pith_short_16: BP3N7ME5KWESPAM3 · pith_short_8: BP3N7ME5

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/BP3N7ME5KWESPAM3B5B4S3733H \
  | 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: 0bf6dfb09d558927819b0f43c96ffbd9c9c5260a4fe32b703328c7b5da2996b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1f35104dc2435ccd50822a13d2bbda04eea6d5824bf648c82eb015d4e3aeb6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-09-27T19:33:03Z",
    "title_canon_sha256": "bd0df66a9eec048f9333845b0f13ab93fca5804d3312a538bfe6cf1fe58c5c6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10735",
    "kind": "arxiv",
    "version": 2
  }
}