Pith Number

pith:KSFSPMD3

pith:2017:KSFSPMD37S4ZGEZVTCHHC2LIZT

not attested not anchored not stored refs pending

UnFlow: Unsupervised Learning of Optical Flow with a Bidirectional Census Loss

Junhwa Hur, Simon Meister, Stefan Roth

arxiv:1711.07837 v1 · 2017-11-21 · 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{KSFSPMD37S4ZGEZVTCHHC2LIZT}

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	2026-05-18T00:29:56.384303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

548b27b07bfcb9931335988e716968cccc1d51b37fc7a39749cdd1cb305fbe81

Aliases

arxiv: 1711.07837 · arxiv_version: 1711.07837v1 · doi: 10.48550/arxiv.1711.07837 · pith_short_12: KSFSPMD37S4Z · pith_short_16: KSFSPMD37S4ZGEZV · pith_short_8: KSFSPMD3

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/KSFSPMD37S4ZGEZVTCHHC2LIZT \
  | 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: 548b27b07bfcb9931335988e716968cccc1d51b37fc7a39749cdd1cb305fbe81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58da7f164119dbd91bfbe5fcb7e2d932b213d18503075cd7612d904e7f07bbdb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-11-21T15:19:26Z",
    "title_canon_sha256": "89124318c08363a4e4938b4db78cdebb782b3eeb74e6910f8d22b143f191f980"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.07837",
    "kind": "arxiv",
    "version": 1
  }
}