Pith Number

pith:47VV2Y7M

pith:2016:47VV2Y7MSJUJAQPTPVG77UFNER

not attested not anchored not stored refs pending

Exploiting Semantic Information and Deep Matching for Optical Flow

Kaustav Kundu, Min Bai, Raquel Urtasun, Wenjie Luo

arxiv:1604.01827 v2 · 2016-04-06 · 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{47VV2Y7MSJUJAQPTPVG77UFNER}

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	2026-05-18T01:08:17.731982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7eb5d63ec92689041f37d4dffd0ad246302b85edbf5ce237f58a527471163e5

Aliases

arxiv: 1604.01827 · arxiv_version: 1604.01827v2 · doi: 10.48550/arxiv.1604.01827 · pith_short_12: 47VV2Y7MSJUJ · pith_short_16: 47VV2Y7MSJUJAQPT · pith_short_8: 47VV2Y7M

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/47VV2Y7MSJUJAQPTPVG77UFNER \
  | 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: e7eb5d63ec92689041f37d4dffd0ad246302b85edbf5ce237f58a527471163e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57c6bfd4d268a1028003dba63dd92de79dacf6c2a6b796f94e58a34845eb6549",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-04-06T22:58:53Z",
    "title_canon_sha256": "08d335d690be51c91ad2acb185ec5ac73849c67b55226fac490ebdd87495466e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.01827",
    "kind": "arxiv",
    "version": 2
  }
}