Pith Number

pith:UR5W6RKV

pith:2025:UR5W6RKVJWTQIGSNZCZESQ3JHS

not attested not anchored not stored refs pending

Exploring Spatial Language Grounding Through Referring Expressions

Akshar Tumu, Parisa Kordjamshidi

arxiv:2502.04359 v1 · 2025-02-04 · cs.CL · cs.AI · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UR5W6RKVJWTQIGSNZCZESQ3JHS}

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	2026-07-05T10:10:50.274223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a47b6f45554da7041a4dc8b24943693c96840d629311a21541513a90c2d415f6

Aliases

arxiv: 2502.04359 · arxiv_version: 2502.04359v1 · doi: 10.48550/arxiv.2502.04359 · pith_short_12: UR5W6RKVJWTQ · pith_short_16: UR5W6RKVJWTQIGSN · pith_short_8: UR5W6RKV

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/UR5W6RKVJWTQIGSNZCZESQ3JHS \
  | 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: a47b6f45554da7041a4dc8b24943693c96840d629311a21541513a90c2d415f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2635942d95bef13155a5e49219e40c6f066bd47abee784c47068362cced3264",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-04T22:58:15Z",
    "title_canon_sha256": "45ac5e544835e0e99be0601bede411991624e0aea48e8f1c3cbe924046a2b507"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04359",
    "kind": "arxiv",
    "version": 1
  }
}