Pith Number

pith:DDGM2DPX

pith:2016:DDGM2DPXE2FCV6BSLUL65I75LL

not attested not anchored not stored refs pending

Using Apache Lucene to Search Vector of Locally Aggregated Descriptors

Claudio Gennaro, Fabrizio Falchi, Giuseppe Amato, Lucia Vadicamo, Paolo Bolettieri

arxiv:1604.05576 v1 · 2016-04-19 · cs.CV · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDGM2DPXE2FCV6BSLUL65I75LL}

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	2026-05-18T01:16:38.324795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18cccd0df7268a2af8325d17eea3fd5ae2b34cf73e228b7299af804b49944dda

Aliases

arxiv: 1604.05576 · arxiv_version: 1604.05576v1 · doi: 10.48550/arxiv.1604.05576 · pith_short_12: DDGM2DPXE2FC · pith_short_16: DDGM2DPXE2FCV6BS · pith_short_8: DDGM2DPX

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/DDGM2DPXE2FCV6BSLUL65I75LL \
  | 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: 18cccd0df7268a2af8325d17eea3fd5ae2b34cf73e228b7299af804b49944dda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c8688159d63fb44c40ce19ea6f088d13e592719e40a0775197a8067152d09ae",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-04-19T14:08:34Z",
    "title_canon_sha256": "fac4f7f6de77f284031cc53e48d4733c121c7d3c85155c4b0b1cb776a713c983"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05576",
    "kind": "arxiv",
    "version": 1
  }
}