Pith Number

pith:Z4RPV5YX

pith:2011:Z4RPV5YXEGAMBVFWZ3VL4VJQ62

not attested not anchored not stored refs pending

A correspondence-less approach to matching of deformable shapes

Alexander M. Bronstein, Jonathan Pokrass, Michael M. Bronstein

arxiv:1101.5687 v1 · 2011-01-29 · cs.CV · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z4RPV5YXEGAMBVFWZ3VL4VJQ62}

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	2026-05-18T04:30:25.048300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf22faf7172180c0d4b6ceeabe5530f6b569b5f28cdd0c3bd8fee965085bbbb8

Aliases

arxiv: 1101.5687 · arxiv_version: 1101.5687v1 · doi: 10.48550/arxiv.1101.5687 · pith_short_12: Z4RPV5YXEGAM · pith_short_16: Z4RPV5YXEGAMBVFW · pith_short_8: Z4RPV5YX

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/Z4RPV5YXEGAMBVFWZ3VL4VJQ62 \
  | 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: cf22faf7172180c0d4b6ceeabe5530f6b569b5f28cdd0c3bd8fee965085bbbb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe4c5a55907eb5faff42545e8d14478d003b9b2c5655db3e1582e62fe39506e7",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-01-29T10:37:23Z",
    "title_canon_sha256": "6f71a411f84c4c42613d867cf38d349c41b1a669141df34c91f55f4dcdbcab1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5687",
    "kind": "arxiv",
    "version": 1
  }
}