Pith Number

pith:K3LGP2OF

pith:2014:K3LGP2OFTFJFOXER6DHV754XYZ

not attested not anchored not stored refs pending

Fracking Deep Convolutional Image Descriptors

Edgar Simo-Serra, Eduard Trulls, Francesc Moreno-Noguer, Iasonas Kokkinos, Luis Ferraz

arxiv:1412.6537 v2 · 2014-12-19 · 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{K3LGP2OFTFJFOXER6DHV754XYZ}

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	2026-05-18T02:26:10.302700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56d667e9c59952575c91f0cf5ff797c6459006e8f83f3b91c6c4cc998455c544

Aliases

arxiv: 1412.6537 · arxiv_version: 1412.6537v2 · doi: 10.48550/arxiv.1412.6537 · pith_short_12: K3LGP2OFTFJF · pith_short_16: K3LGP2OFTFJFOXER · pith_short_8: K3LGP2OF

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/K3LGP2OFTFJFOXER6DHV754XYZ \
  | 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: 56d667e9c59952575c91f0cf5ff797c6459006e8f83f3b91c6c4cc998455c544

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "568549d9825b7efc7c4f805d2eba4be6d31d61f9275c8237621c80e94be4b635",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-12-19T21:30:32Z",
    "title_canon_sha256": "c04ae566f1fde9b91084d28fdd4bb8b8a11f4fe602d2ed42ee9d447a09004566"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.6537",
    "kind": "arxiv",
    "version": 2
  }
}