Pith Number

pith:EFVCYFVP

pith:2020:EFVCYFVPUDOG7CNFMH6MOEYV2M

not attested not anchored not stored refs pending

1st Place Solution to Google Landmark Retrieval 2020

SeungKee Jeon

arxiv:2009.05132 v1 · 2020-08-24 · 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{EFVCYFVPUDOG7CNFMH6MOEYV2M}

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.

Cited by

1 paper in Pith

Scalable Framework for Classifying AI-Generated Content Across Modalities

Receipt and verification

First computed	2026-07-05T01:34:35.340671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

216a2c16afa0dc6f89a561fcc71315d30e5cadaac6d52b0791457f83ee7c2a2f

Aliases

arxiv: 2009.05132 · arxiv_version: 2009.05132v1 · doi: 10.48550/arxiv.2009.05132 · pith_short_12: EFVCYFVPUDOG · pith_short_16: EFVCYFVPUDOG7CNF · pith_short_8: EFVCYFVP

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/EFVCYFVPUDOG7CNFMH6MOEYV2M \
  | 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: 216a2c16afa0dc6f89a561fcc71315d30e5cadaac6d52b0791457f83ee7c2a2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32ead1fb9c8397c1815e8a55b1d6be3289b4aa1720bb8e4b386c0149227594c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-08-24T05:45:20Z",
    "title_canon_sha256": "c1ca47d6df0169bdc9487571282a77be4c332234adaed2455920069f8b08f28b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.05132",
    "kind": "arxiv",
    "version": 1
  }
}