Pith Number

pith:W2WMSXBC

pith:2017:W2WMSXBCALHJ7IL4GVMDI2YJKE

not attested not anchored not stored refs pending

Deep Shape Matching

Filip Radenovi\'c, Giorgos Tolias, Ond\v{r}ej Chum

arxiv:1709.03409 v2 · 2017-09-11 · 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{W2WMSXBCALHJ7IL4GVMDI2YJKE}

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	2026-05-18T00:09:47.723612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6acc95c2202ce9fa17c3558346b095106415d5e3c1890212666be8e1ea99b6b

Aliases

arxiv: 1709.03409 · arxiv_version: 1709.03409v2 · doi: 10.48550/arxiv.1709.03409 · pith_short_12: W2WMSXBCALHJ · pith_short_16: W2WMSXBCALHJ7IL4 · pith_short_8: W2WMSXBC

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/W2WMSXBCALHJ7IL4GVMDI2YJKE \
  | 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: b6acc95c2202ce9fa17c3558346b095106415d5e3c1890212666be8e1ea99b6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffede53ef6c59d3b57c941ef3b4d755e3e30ab43bb9b6aa9cea1a51dbafd3d64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-11T14:33:42Z",
    "title_canon_sha256": "6d510ecdffd508c1e7e307b83587b8b362904a90515372535b246a3fa55952ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03409",
    "kind": "arxiv",
    "version": 2
  }
}