Pith Number

pith:FYSEA5ZA

pith:2019:FYSEA5ZA2HGYZARREDEQ5SVERW

not attested not anchored not stored refs pending

Multigrid Predictive Filter Flow for Unsupervised Learning on Videos

Charless Fowlkes, Shu Kong

arxiv:1904.01693 v1 · 2019-04-02 · 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{FYSEA5ZA2HGYZARREDEQ5SVERW}

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	2026-05-17T23:49:30.144796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e24407720d1cd8c823120c90ecaa48d9a151d81a10b195dd37e306577088599

Aliases

arxiv: 1904.01693 · arxiv_version: 1904.01693v1 · doi: 10.48550/arxiv.1904.01693 · pith_short_12: FYSEA5ZA2HGY · pith_short_16: FYSEA5ZA2HGYZARR · pith_short_8: FYSEA5ZA

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/FYSEA5ZA2HGYZARREDEQ5SVERW \
  | 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: 2e24407720d1cd8c823120c90ecaa48d9a151d81a10b195dd37e306577088599

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5c0afc5140e4910f31361be12d64000cd09e9b10fad33ba90daa00590b01db2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-02T22:41:48Z",
    "title_canon_sha256": "820211164a6673a5be33eecabc51f573231a66adcda567f157d2e7c3085a94a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01693",
    "kind": "arxiv",
    "version": 1
  }
}