Pith Number

pith:PTJO5NPJ

pith:2021:PTJO5NPJZTUDIY25EL4LN2B3AF

not attested not anchored not stored refs pending

Learning Spectral Unions of Partial Deformable 3D Shapes

Emanuele Rodol\`a, Filippo Maggioli, Leonidas Guibas, Luca Cosmo, Luca Moschella, Maks Ovsjanikov, Or Litany, Simone Melzi

arxiv:2104.00514 v3 · 2021-03-31 · cs.GR · cs.CG · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PTJO5NPJZTUDIY25EL4LN2B3AF}

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	2026-07-05T05:27:15.684958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cd2eeb5e9cce834635d22f8b6e83b0160a0fe6cd27a3547df2203b6e228a79d

Aliases

arxiv: 2104.00514 · arxiv_version: 2104.00514v3 · doi: 10.48550/arxiv.2104.00514 · pith_short_12: PTJO5NPJZTUD · pith_short_16: PTJO5NPJZTUDIY25 · pith_short_8: PTJO5NPJ

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/PTJO5NPJZTUDIY25EL4LN2B3AF \
  | 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: 7cd2eeb5e9cce834635d22f8b6e83b0160a0fe6cd27a3547df2203b6e228a79d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f973cfcefbe08030b63ad38a9edf96290da12fb6e22d16dd29cf80064b61dea",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2021-03-31T14:19:18Z",
    "title_canon_sha256": "7149dc83224b039915d724e8cb3f51558af1c0ed391896683e95443f485c51fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.00514",
    "kind": "arxiv",
    "version": 3
  }
}