Pith Number

pith:KHPFEAKV

pith:2018:KHPFEAKVRULKTT4OPWYZDPMHN7

not attested not anchored not stored refs pending

Visual Referring Expression Recognition: What Do Systems Actually Learn?

Louis-Philippe Morency, Taylor Berg-Kirkpatrick, Volkan Cirik

arxiv:1805.11818 v1 · 2018-05-30 · cs.CL · cs.AI · cs.CV · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KHPFEAKVRULKTT4OPWYZDPMHN7}

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	2026-05-18T00:14:36.351355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51de5201558d16a9cf8e7db191bd876fdf41172f4e82571b0bd10fdd13fbd5bd

Aliases

arxiv: 1805.11818 · arxiv_version: 1805.11818v1 · doi: 10.48550/arxiv.1805.11818 · pith_short_12: KHPFEAKVRULK · pith_short_16: KHPFEAKVRULKTT4O · pith_short_8: KHPFEAKV

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/KHPFEAKVRULKTT4OPWYZDPMHN7 \
  | 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: 51de5201558d16a9cf8e7db191bd876fdf41172f4e82571b0bd10fdd13fbd5bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecd6e258d59ddfbf1a342a95e9bd09a905dbd3d2398bf4b215016ed124ffeefe",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-05-30T06:03:21Z",
    "title_canon_sha256": "891f9c50389b6e626f3465fd799c0fe8ceaafc848f5395334b176ea1596c5479"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11818",
    "kind": "arxiv",
    "version": 1
  }
}