Pith Number

pith:LIFY7DMM

pith:2017:LIFY7DMMO6VHOF43DGIFFE4ET5

not attested not anchored not stored refs pending

Asymmetric Feature Maps with Application to Sketch Based Retrieval

Giorgos Tolias, Ond\v{r}ej Chum

arxiv:1704.03946 v1 · 2017-04-12 · 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{LIFY7DMMO6VHOF43DGIFFE4ET5}

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	2026-05-18T00:46:25.811846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a0b8f8d8c77aa77179b19905293849f4632e6b7c22821ddaefe1dc68e3a6752

Aliases

arxiv: 1704.03946 · arxiv_version: 1704.03946v1 · doi: 10.48550/arxiv.1704.03946 · pith_short_12: LIFY7DMMO6VH · pith_short_16: LIFY7DMMO6VHOF43 · pith_short_8: LIFY7DMM

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/LIFY7DMMO6VHOF43DGIFFE4ET5 \
  | 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: 5a0b8f8d8c77aa77179b19905293849f4632e6b7c22821ddaefe1dc68e3a6752

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa7b5cdd236e644cba5c6f201a5c721292ec2ab25aa4572b72d4346d14bb88e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-04-12T22:20:06Z",
    "title_canon_sha256": "22b87a4e1628ab95d5b51b682bca25bb54e7915b55138655454bd6de8a3193c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03946",
    "kind": "arxiv",
    "version": 1
  }
}