Pith Number

pith:J6AGA7AF

pith:2016:J6AGA7AFCM7ISAO7DFGYBKSPID

not attested not anchored not stored refs pending

Optical Flow Estimation using a Spatial Pyramid Network

Anurag Ranjan, Michael J. Black

arxiv:1611.00850 v2 · 2016-11-03 · 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{J6AGA7AFCM7ISAO7DFGYBKSPID}

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	2026-05-18T00:57:37.129150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f80607c05133e8901df194d80aa4f40d99769e06e8a4def70b63bbe1ce57f06

Aliases

arxiv: 1611.00850 · arxiv_version: 1611.00850v2 · doi: 10.48550/arxiv.1611.00850 · pith_short_12: J6AGA7AFCM7I · pith_short_16: J6AGA7AFCM7ISAO7 · pith_short_8: J6AGA7AF

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/J6AGA7AFCM7ISAO7DFGYBKSPID \
  | 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: 4f80607c05133e8901df194d80aa4f40d99769e06e8a4def70b63bbe1ce57f06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b23d6c59a6890cc2e85217de48ba536df9e2af4038a687405b0069ffea6d2382",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-11-03T00:10:42Z",
    "title_canon_sha256": "c0a822931afebf32adc6013e1f379f7d504e5898208ba274ee14fb1dbb08fb85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.00850",
    "kind": "arxiv",
    "version": 2
  }
}