Pith Number

pith:O6FETEMC

pith:2019:O6FETEMCC42QFNNPH5N37D2M6J

not attested not anchored not stored refs pending

SFNet: Learning Object-aware Semantic Correspondence

Bumsub Ham, Dohyung Kim, Jean Ponce, Junghyup Lee

arxiv:1904.01810 v2 · 2019-04-03 · 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{O6FETEMCC42QFNNPH5N37D2M6J}

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	2026-05-17T23:49:20.046126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

778a499182173502b5af3f5bbf8f4cf2697692255d0788f330f922139b6fcc6c

Aliases

arxiv: 1904.01810 · arxiv_version: 1904.01810v2 · doi: 10.48550/arxiv.1904.01810 · pith_short_12: O6FETEMCC42Q · pith_short_16: O6FETEMCC42QFNNP · pith_short_8: O6FETEMC

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/O6FETEMCC42QFNNPH5N37D2M6J \
  | 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: 778a499182173502b5af3f5bbf8f4cf2697692255d0788f330f922139b6fcc6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eee4d138477e016c9d776a962b40ac644ce2e5094dd15842c0f99a01a4887ce1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-03T07:33:21Z",
    "title_canon_sha256": "9567e224b662b8eb5a7b556b168ced88aa0532cce662f7e0c2de3bcd7c4e76ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01810",
    "kind": "arxiv",
    "version": 2
  }
}