Pith Number

pith:J2MZNDR5

pith:2019:J2MZNDR5BPM27OEF4O224K5MZ7

not attested not anchored not stored refs pending

Unpaired Cross-lingual Image Caption Generation with Self-Supervised Rewards

Qin Jin, Shizhe Chen, Yida Zhao, Yuqing Song

arxiv:1908.05407 v1 · 2019-08-15 · cs.CV · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J2MZNDR5BPM27OEF4O224K5MZ7}

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	2026-07-04T23:56:51.191481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e99968e3d0bd9afb885e3b5ae2baccfc811933baab389b8607532f91c453626

Aliases

arxiv: 1908.05407 · arxiv_version: 1908.05407v1 · doi: 10.48550/arxiv.1908.05407 · pith_short_12: J2MZNDR5BPM2 · pith_short_16: J2MZNDR5BPM27OEF · pith_short_8: J2MZNDR5

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/J2MZNDR5BPM27OEF4O224K5MZ7 \
  | 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: 4e99968e3d0bd9afb885e3b5ae2baccfc811933baab389b8607532f91c453626

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5cffdaa429ec2229e2c052fa4030208ff9c4b358d0a231beae5aae49b385fed",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-15T03:50:18Z",
    "title_canon_sha256": "7c4575cf34a2c41098a8244426ef78e5bdf30ddaa6d44588198fec1af2ba341f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05407",
    "kind": "arxiv",
    "version": 1
  }
}