Pith Number

pith:Q3RZ3AX5

pith:2017:Q3RZ3AX5EO6CXZCYJSNB4S4IFF

not attested not anchored not stored refs pending

Representation Learning for Grounded Spatial Reasoning

Karthik Narasimhan, Michael Janner, Regina Barzilay

arxiv:1707.03938 v2 · 2017-07-13 · cs.CL · cs.AI · 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{Q3RZ3AX5EO6CXZCYJSNB4S4IFF}

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	2026-05-18T00:30:50.606216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86e39d82fd23bc2be4584c9a1e4b88297f217befa77b2c4bf1ad78c55009d113

Aliases

arxiv: 1707.03938 · arxiv_version: 1707.03938v2 · doi: 10.48550/arxiv.1707.03938 · pith_short_12: Q3RZ3AX5EO6C · pith_short_16: Q3RZ3AX5EO6CXZCY · pith_short_8: Q3RZ3AX5

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/Q3RZ3AX5EO6CXZCYJSNB4S4IFF \
  | 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: 86e39d82fd23bc2be4584c9a1e4b88297f217befa77b2c4bf1ad78c55009d113

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b15bb74d76da9052426bc36e9fc61c5d711ff9b5a515eec489e3077506679af",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-07-13T00:17:45Z",
    "title_canon_sha256": "f59fab15956d8210b6d1b19c8b5c25fc945b3a4330802dff473934eafcd1d616"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03938",
    "kind": "arxiv",
    "version": 2
  }
}