Pith Number

pith:NCN3RPR2

pith:2019:NCN3RPR2WFFNR3R2AA7CU6R2IA

not attested not anchored not stored refs pending

Topological signature for periodic motion recognition

Edel Garcia-Reyes, Javier Lamar-Leon, Rocio Gonzalez-Diaz

arxiv:1904.06210 v1 · 2019-04-11 · 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{NCN3RPR2WFFNR3R2AA7CU6R2IA}

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	2026-05-17T23:48:43.840281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

689bb8be3ab14ad8ee3a003e2a7a3a4032bd2a557ac6ce171b7b0f7191358485

Aliases

arxiv: 1904.06210 · arxiv_version: 1904.06210v1 · doi: 10.48550/arxiv.1904.06210 · pith_short_12: NCN3RPR2WFFN · pith_short_16: NCN3RPR2WFFNR3R2 · pith_short_8: NCN3RPR2

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/NCN3RPR2WFFNR3R2AA7CU6R2IA \
  | 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: 689bb8be3ab14ad8ee3a003e2a7a3a4032bd2a557ac6ce171b7b0f7191358485

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4da8dc02a553f7bdb9a397d3302b27af82e971b3d5b72e8aadf02d4c810bd42e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-11T11:52:00Z",
    "title_canon_sha256": "85ee13e27db18f4f9afe67d42faf14cc1178116dda4dc3a1e038eddc9176218c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06210",
    "kind": "arxiv",
    "version": 1
  }
}