Pith Number

pith:ZRFVO27R

pith:2018:ZRFVO27RJSCV6JVRFNBTWPIQQ6

not attested not anchored not stored refs pending

Optical Flow Based Online Moving Foreground Analysis

Jiagang Zhu, Junjie Huang, Wei Zou, Zheng Zhu

arxiv:1811.07256 v1 · 2018-11-18 · cs.CV

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T00:00:28.472376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc4b576bf14c855f26b12b433b3d10878ab037a2ad258e55a910aae418e49c00

Aliases

arxiv: 1811.07256 · arxiv_version: 1811.07256v1 · doi: 10.48550/arxiv.1811.07256 · pith_short_12: ZRFVO27RJSCV · pith_short_16: ZRFVO27RJSCV6JVR · pith_short_8: ZRFVO27R

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/ZRFVO27RJSCV6JVRFNBTWPIQQ6 \
  | 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: cc4b576bf14c855f26b12b433b3d10878ab037a2ad258e55a910aae418e49c00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0367397d2dd8e346b6a9a919ec00f188f57ed20f380f904bc374357a266a0e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-18T01:59:28Z",
    "title_canon_sha256": "192b1746fa13ba7683ebc98a70d962c5233a3b14c4d29e24c5c31b1ba3d5d395"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07256",
    "kind": "arxiv",
    "version": 1
  }
}