pith. sign in
Pith Number

pith:UVWXTXFU

pith:2018:UVWXTXFUBAGSG4REI574MU3DPU
not attested not anchored not stored refs pending

Hierarchical Metric Learning and Matching for 2D and 3D Geometric Correspondences

Manmohan Chandraker, Mohammed E. Fathy, M. Zeeshan Zia, Paul Vernaza, Quoc-Huy Tran

arxiv:1803.07231 v3 · 2018-03-20 · cs.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UVWXTXFUBAGSG4REI574MU3DPU}

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 2026-05-18T00:09:05.538109Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a56d79dcb4080d237224477fc653637d095f9bdf5d2dad4cf8fe4c8131e4d545

Aliases

arxiv: 1803.07231 · arxiv_version: 1803.07231v3 · doi: 10.48550/arxiv.1803.07231 · pith_short_12: UVWXTXFUBAGS · pith_short_16: UVWXTXFUBAGSG4RE · pith_short_8: UVWXTXFU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UVWXTXFUBAGSG4REI574MU3DPU \
  | 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: a56d79dcb4080d237224477fc653637d095f9bdf5d2dad4cf8fe4c8131e4d545
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6ae108f4ff50e202873989cbe17c35114ef53d70a4de073f488ba2e7d80b71ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-03-20T03:11:41Z",
    "title_canon_sha256": "031fbcfc857f07aacab25cfdb8153b664560ef3b3fb8664e12102d0a191ea8bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07231",
    "kind": "arxiv",
    "version": 3
  }
}