Pith Number

pith:Z2JMZJDL

pith:2017:Z2JMZJDLALHQAZBM4XLWMTCST4

not attested not anchored not stored refs pending

Question Dependent Recurrent Entity Network for Question Answering

Andrea Madotto, Giuseppe Attardi

arxiv:1707.07922 v2 · 2017-07-25 · 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{Z2JMZJDLALHQAZBM4XLWMTCST4}

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	2026-05-18T00:33:34.568687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce92cca46b02cf00642ce5d7664c529f39dc4944866af212f4d48eee7b2c5d5f

Aliases

arxiv: 1707.07922 · arxiv_version: 1707.07922v2 · doi: 10.48550/arxiv.1707.07922 · pith_short_12: Z2JMZJDLALHQ · pith_short_16: Z2JMZJDLALHQAZBM · pith_short_8: Z2JMZJDL

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/Z2JMZJDLALHQAZBM4XLWMTCST4 \
  | 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: ce92cca46b02cf00642ce5d7664c529f39dc4944866af212f4d48eee7b2c5d5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f0e1397153bf69151452fe1a658596e2fd515b7e67e064eb91abf65c4a5d482",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-07-25T11:34:14Z",
    "title_canon_sha256": "d610fe3c6b7cde2c7d95ae906c2568c34c01afd1dcfe686af2698bd7b4fcf267"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07922",
    "kind": "arxiv",
    "version": 2
  }
}