Pith Number

pith:67LKWHR3

pith:2018:67LKWHR3SMZPFNGENL5K3EFOIJ

not attested not anchored not stored refs pending

Perceptually Inspired Normalized Conditional Compression Distance

Nima Nikvand, Wisam Farjow, Xavier Fernando, Zhou Wang

arxiv:1810.00059 v2 · 2018-09-28 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67LKWHR3SMZPFNGENL5K3EFOIJ}

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	2026-05-17T23:46:46.110911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7d6ab1e3b9332f2b4c46afaad90ae4277647d37c70ff087d443e1bfc8fa4c64

Aliases

arxiv: 1810.00059 · arxiv_version: 1810.00059v2 · doi: 10.48550/arxiv.1810.00059 · pith_short_12: 67LKWHR3SMZP · pith_short_16: 67LKWHR3SMZPFNGE · pith_short_8: 67LKWHR3

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/67LKWHR3SMZPFNGENL5K3EFOIJ \
  | 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: f7d6ab1e3b9332f2b4c46afaad90ae4277647d37c70ff087d443e1bfc8fa4c64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b13f31e42c55f07cc19a8f1d41043b64d14ab9de17f6e2e82d241c5b86f0a54a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2018-09-28T19:49:37Z",
    "title_canon_sha256": "cbd0ef27541549fd2d4d8b6225f304e7ef16e9c948421cc234e50cdcf7648c6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.00059",
    "kind": "arxiv",
    "version": 2
  }
}