Pith Number

pith:4NY4UF5Q

pith:2015:4NY4UF5QPBQHCIJ7JX2AT55BIC

not attested not anchored not stored refs pending

Towards Benchmarking Scene Background Initialization

Alfredo Petrosino, Lucia Maddalena

arxiv:1506.04051 v1 · 2015-06-12 · 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{4NY4UF5QPBQHCIJ7JX2AT55BIC}

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	2026-05-18T01:51:18.460989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e371ca17b0786071213f4df409f7a14094fdf41d1e60f52e80fdbe4f19be824f

Aliases

arxiv: 1506.04051 · arxiv_version: 1506.04051v1 · doi: 10.48550/arxiv.1506.04051 · pith_short_12: 4NY4UF5QPBQH · pith_short_16: 4NY4UF5QPBQHCIJ7 · pith_short_8: 4NY4UF5Q

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/4NY4UF5QPBQHCIJ7JX2AT55BIC \
  | 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: e371ca17b0786071213f4df409f7a14094fdf41d1e60f52e80fdbe4f19be824f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62a993674d527bd7c61e4f81b55b165292c06d405273caaa35dbf322eaa2d6c3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-06-12T15:52:46Z",
    "title_canon_sha256": "9243bfd585d3eb5943613211a712eed8db1a0758b0cc33f6e71254374ae457a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04051",
    "kind": "arxiv",
    "version": 1
  }
}