Pith Number

pith:N2QNJFZF

pith:2017:N2QNJFZFY5E34BUJO4AK5QA5BO

not attested not anchored not stored refs pending

Isomorphism between Differential and Moment Invariants under Affine Transform

Erbo Li, Hua Li

arxiv:1705.08264 v2 · 2017-05-20 · 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{N2QNJFZFY5E34BUJO4AK5QA5BO}

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	2026-05-18T00:43:43.017384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ea0d49725c749be06897700aec01d0bb18ab92739e87d3ccf2ea80ec241e120

Aliases

arxiv: 1705.08264 · arxiv_version: 1705.08264v2 · doi: 10.48550/arxiv.1705.08264 · pith_short_12: N2QNJFZFY5E3 · pith_short_16: N2QNJFZFY5E34BUJ · pith_short_8: N2QNJFZF

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/N2QNJFZFY5E34BUJO4AK5QA5BO \
  | 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: 6ea0d49725c749be06897700aec01d0bb18ab92739e87d3ccf2ea80ec241e120

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b4279f287260fcea559790f82c52944e0f8223f1a518ea56035d358fffcf606",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-05-20T20:34:44Z",
    "title_canon_sha256": "2288cf965cf4e4d16b3b29c7a3183b6c4eb0e869923e2b1026dc804cbc346fed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08264",
    "kind": "arxiv",
    "version": 2
  }
}