Pith Number

pith:IXFUQYSM

pith:2019:IXFUQYSMCAWBD2HKDZT6F5SS5I

not attested not anchored not stored refs pending

PullNet: Open Domain Question Answering with Iterative Retrieval on Knowledge Bases and Text

Haitian Sun, Tania Bedrax-Weiss, William W. Cohen

arxiv:1904.09537 v1 · 2019-04-21 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IXFUQYSMCAWBD2HKDZT6F5SS5I}

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	2026-05-17T23:48:03.962934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45cb48624c102c11e8ea1e67e2f652ea22eaa8c37c5f817f1c5d0724d297c55a

Aliases

arxiv: 1904.09537 · arxiv_version: 1904.09537v1 · doi: 10.48550/arxiv.1904.09537 · pith_short_12: IXFUQYSMCAWB · pith_short_16: IXFUQYSMCAWBD2HK · pith_short_8: IXFUQYSM

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/IXFUQYSMCAWBD2HKDZT6F5SS5I \
  | 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: 45cb48624c102c11e8ea1e67e2f652ea22eaa8c37c5f817f1c5d0724d297c55a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c49008a4ec6a403cc1879de5047df29b90674d78a6e8be435e14b4e26270ffa",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-21T03:49:09Z",
    "title_canon_sha256": "1e03264f66b6beb53fe675a4a8d9534abf742c939a29060e882c0a68db2adfad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09537",
    "kind": "arxiv",
    "version": 1
  }
}