Pith Number

pith:FDEJ3L4R

pith:2016:FDEJ3L4RPR4OSATOB2AIUCNRFV

not attested not anchored not stored refs pending

Beyond Brightness Constancy: Learning Noise Models for Optical Flow

Dan Rosenbaum, Yair Weiss

arxiv:1604.02815 v1 · 2016-04-11 · 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{FDEJ3L4RPR4OSATOB2AIUCNRFV}

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	2026-05-18T01:17:22.086185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28c89daf917c78e9026e0e808a09b12d7074a66e401b49934b4e3524640687b8

Aliases

arxiv: 1604.02815 · arxiv_version: 1604.02815v1 · doi: 10.48550/arxiv.1604.02815 · pith_short_12: FDEJ3L4RPR4O · pith_short_16: FDEJ3L4RPR4OSATO · pith_short_8: FDEJ3L4R

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/FDEJ3L4RPR4OSATOB2AIUCNRFV \
  | 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: 28c89daf917c78e9026e0e808a09b12d7074a66e401b49934b4e3524640687b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95e0becbd115587e2ccffc48559c1dfd91bed3adf81e5f4420f5545d03707911",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-04-11T07:23:44Z",
    "title_canon_sha256": "196de78bd38a5458152e664c5319333da59a463c5e9574bbd9d3a5dd411c1888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02815",
    "kind": "arxiv",
    "version": 1
  }
}