Pith Number

pith:66V5OT6E

pith:2025:66V5OT6EF2FCCR4RZB3QRQFATJ

not attested not anchored not stored refs pending

A Variational Perspective on Generative Protein Fitness Optimization

Ahmed Allam, Dominik Narnhofer, Konrad Schindler, Lea Bogensperger, Michael Krauthammer

arxiv:2501.19200 v2 · 2025-01-31 · 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{66V5OT6EF2FCCR4RZB3QRQFATJ}

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	2026-07-05T11:10:50.940957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7abd74fc42e8a214791c87708c0a09a7db04063697ce8357fb93298e79414d1

Aliases

arxiv: 2501.19200 · arxiv_version: 2501.19200v2 · doi: 10.48550/arxiv.2501.19200 · pith_short_12: 66V5OT6EF2FC · pith_short_16: 66V5OT6EF2FCCR4R · pith_short_8: 66V5OT6E

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/66V5OT6EF2FCCR4RZB3QRQFATJ \
  | 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: f7abd74fc42e8a214791c87708c0a09a7db04063697ce8357fb93298e79414d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b95c426f4f0ac23516cd366cf70fd60e253255b2ed8a7c370e08f6db4263945e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-31T15:07:26Z",
    "title_canon_sha256": "83c02898f9cc9fe0a30ca236564d256d823448b734288a97343850ddbc5955af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.19200",
    "kind": "arxiv",
    "version": 2
  }
}