Pith Number

pith:WGQG4QAE

pith:2018:WGQG4QAESPDPIYNDKI34NXP57J

not attested not anchored not stored refs pending

Reinforced Extractive Summarization with Question-Focused Rewards

Fei Liu, Kristjan Arumae

arxiv:1805.10392 v2 · 2018-05-25 · 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{WGQG4QAESPDPIYNDKI34NXP57J}

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	2026-05-18T00:12:43.007558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1a06e400493c6f461a35237c6ddfdfa77c5e656e618ee7033d6784a4fe8c55d

Aliases

arxiv: 1805.10392 · arxiv_version: 1805.10392v2 · doi: 10.48550/arxiv.1805.10392 · pith_short_12: WGQG4QAESPDP · pith_short_16: WGQG4QAESPDPIYND · pith_short_8: WGQG4QAE

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/WGQG4QAESPDPIYNDKI34NXP57J \
  | 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: b1a06e400493c6f461a35237c6ddfdfa77c5e656e618ee7033d6784a4fe8c55d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "032e2e6e902ffc911f20109e9883e8008af691b8c58edb46adfa54e803e54fa7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-05-25T23:05:48Z",
    "title_canon_sha256": "24b546e2b3e1cc7b208051f0f912475669fc9ea39a903a3f9126da11f4335065"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10392",
    "kind": "arxiv",
    "version": 2
  }
}