Pith. sign in
Pith Number

pith:RIE67WJN

pith:2019:RIE67WJNZYBJFQWF3IRSBVGZVE
not attested not anchored not stored refs pending

2nd Place Solution to the GQA Challenge 2019

Ahmed Elgammal, Dimitris N. Metaxas, Hang Zhang, Ji Zhang, Shijie Geng

arxiv:1907.06794 v2 · 2019-07-16 · cs.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RIE67WJNZYBJFQWF3IRSBVGZVE}

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 2026-07-04T23:58:10.284259Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8a09efd92dce0292c2c5da2320d4d9a907f5d71847ca5a76d6a2a8a5ff9dbc8b

Aliases

arxiv: 1907.06794 · arxiv_version: 1907.06794v2 · doi: 10.48550/arxiv.1907.06794 · pith_short_12: RIE67WJNZYBJ · pith_short_16: RIE67WJNZYBJFQWF · pith_short_8: RIE67WJN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RIE67WJNZYBJFQWF3IRSBVGZVE \
  | 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: 8a09efd92dce0292c2c5da2320d4d9a907f5d71847ca5a76d6a2a8a5ff9dbc8b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3e23df8dbd64f887ecfbce5bf8aaa739c819769b096b4799142f63b0d33e00b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-16T00:09:09Z",
    "title_canon_sha256": "42c54dd141e7d20b30c08c1b7e6b374c798379a785ec7a134c709a91f9a876da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06794",
    "kind": "arxiv",
    "version": 2
  }
}