Pith Number

pith:3ITKBPHH

pith:2019:3ITKBPHHD4JBFQE6M7GP2CQ6N7

not attested not anchored not stored refs pending

SelFlow: Self-Supervised Learning of Optical Flow

Irwin King, Jia Xu, Michael Lyu, Pengpeng Liu

arxiv:1904.09117 v1 · 2019-04-19 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ITKBPHHD4JBFQE6M7GP2CQ6N7}

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	2026-05-17T23:48:08.283768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da26a0bce71f1212c09e67ccfd0a1e6fc0d3fb96f58e03c8c373b647742ffca8

Aliases

arxiv: 1904.09117 · arxiv_version: 1904.09117v1 · doi: 10.48550/arxiv.1904.09117 · pith_short_12: 3ITKBPHHD4JB · pith_short_16: 3ITKBPHHD4JBFQE6 · pith_short_8: 3ITKBPHH

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/3ITKBPHHD4JBFQE6M7GP2CQ6N7 \
  | 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: da26a0bce71f1212c09e67ccfd0a1e6fc0d3fb96f58e03c8c373b647742ffca8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2aaefd22da79813c822c30482825b93ae498efb5864339de83c7290aa311839",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-19T08:21:16Z",
    "title_canon_sha256": "1542a5277aeaa5efdbecd59176971e6926e6fd8b0552393d9c6a195ec9c3b47c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09117",
    "kind": "arxiv",
    "version": 1
  }
}