Pith Number

pith:OG42RQ3V

pith:2019:OG42RQ3VUQJICZSK6EVK4XBDVW

not attested not anchored not stored refs pending

Message Passing for Complex Question Answering over Knowledge Graphs

Axel Polleres, Javier David Fernandez Garcia, Maarten de Rijke, Michael Cochez, Svitlana Vakulenko

arxiv:1908.06917 v1 · 2019-08-19 · cs.CL · cs.AI · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OG42RQ3VUQJICZSK6EVK4XBDVW}

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	2026-07-04T23:58:20.947392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71b9a8c375a41281664af12aae5c23adb87c08cae9f38275250a39afacdf89bb

Aliases

arxiv: 1908.06917 · arxiv_version: 1908.06917v1 · doi: 10.48550/arxiv.1908.06917 · pith_short_12: OG42RQ3VUQJI · pith_short_16: OG42RQ3VUQJICZSK · pith_short_8: OG42RQ3V

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/OG42RQ3VUQJICZSK6EVK4XBDVW \
  | 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: 71b9a8c375a41281664af12aae5c23adb87c08cae9f38275250a39afacdf89bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0596fa79ceed67d6d7eeeb205f59318ebb3206bdcd39137a685ad97f80e02953",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-19T16:31:29Z",
    "title_canon_sha256": "637bac76e934f6bda5e36a23dc1e1fc30c38e4cb2c017613ec26d046543d2c34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06917",
    "kind": "arxiv",
    "version": 1
  }
}