Pith Number

pith:L3BNVSOH

pith:2017:L3BNVSOH3ZVB7O7KUVUBSYQ6RT

not attested not anchored not stored refs pending

Deep Optical Flow Estimation Via Multi-Scale Correspondence Structure Learning

Omar el farouk Bourahla, Shanshan Zhao, Xi Li

arxiv:1707.07301 v1 · 2017-07-23 · 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{L3BNVSOH3ZVB7O7KUVUBSYQ6RT}

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	2026-05-18T00:39:42.608096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ec2dac9c7de6a1fbbeaa56819621e8cd616206ea68f04ef88e2fd54447df746

Aliases

arxiv: 1707.07301 · arxiv_version: 1707.07301v1 · doi: 10.48550/arxiv.1707.07301 · pith_short_12: L3BNVSOH3ZVB · pith_short_16: L3BNVSOH3ZVB7O7K · pith_short_8: L3BNVSOH

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/L3BNVSOH3ZVB7O7KUVUBSYQ6RT \
  | 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: 5ec2dac9c7de6a1fbbeaa56819621e8cd616206ea68f04ef88e2fd54447df746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f80c9135a7d1f4ef8c4776929f25030d638b26033e8ba0d971646028af969de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-07-23T14:08:54Z",
    "title_canon_sha256": "82fa83273a192e6f60f6b3b1d6023b01c16b4e9bf4394a245424334972922369"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07301",
    "kind": "arxiv",
    "version": 1
  }
}