Pith Number

pith:WTOIIAKT

pith:2025:WTOIIAKTBF55WIVZBDBYKJU7GK

not attested not anchored not stored refs pending

PyFRep: Shape Modeling with Differentiable Function Representation

Evgenii Maltsev, Pierre-Alain Fayolle

arxiv:2504.14216 v1 · 2025-04-19 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTOIIAKTBF55WIVZBDBYKJU7GK}

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	2026-07-05T10:51:39.929417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4dc840153097bdb22b908c385269f329d084b4ee9df5f9a78e0f5c9b5d1e9eb

Aliases

arxiv: 2504.14216 · arxiv_version: 2504.14216v1 · doi: 10.48550/arxiv.2504.14216 · pith_short_12: WTOIIAKTBF55 · pith_short_16: WTOIIAKTBF55WIVZ · pith_short_8: WTOIIAKT

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/WTOIIAKTBF55WIVZBDBYKJU7GK \
  | 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: b4dc840153097bdb22b908c385269f329d084b4ee9df5f9a78e0f5c9b5d1e9eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b4cb85b89876ded08ce73a9d484589825a682b4b18817587da6a32252cfbd24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2025-04-19T07:43:34Z",
    "title_canon_sha256": "ec4503c20819e70b3d80f5d9acb7501086032414222807e7c95d5fadebcafab2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.14216",
    "kind": "arxiv",
    "version": 1
  }
}