Pith Number

pith:5HJPXPU2

pith:2018:5HJPXPU26DLPTEQ3LI34JOMYPB

not attested not anchored not stored refs pending

U-Net: Machine Reading Comprehension with Unanswerable Questions

Fu Sun, Linyang Li, Xipeng Qiu, Yang Liu

arxiv:1810.06638 v1 · 2018-10-12 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5HJPXPU26DLPTEQ3LI34JOMYPB}

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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

EQuANt (Enhanced Question Answer Network)

Receipt and verification

First computed	2026-05-18T00:03:12.124187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9d2fbbe9af0d6f9921b5a37c4b99878707f1e0a28097ed04a087028d18f78d2

Aliases

arxiv: 1810.06638 · arxiv_version: 1810.06638v1 · doi: 10.48550/arxiv.1810.06638 · pith_short_12: 5HJPXPU26DLP · pith_short_16: 5HJPXPU26DLPTEQ3 · pith_short_8: 5HJPXPU2

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/5HJPXPU26DLPTEQ3LI34JOMYPB \
  | 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: e9d2fbbe9af0d6f9921b5a37c4b99878707f1e0a28097ed04a087028d18f78d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ed815f39ac83cb3168c3c9eee1ef2a01b8406786b55f1a1bc96646f97f4429a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-10-12T12:48:34Z",
    "title_canon_sha256": "3133f7d6a275b582caebd4eb19a67e286805e949ccc6e496fdffb4aaaac5a60b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06638",
    "kind": "arxiv",
    "version": 1
  }
}