Pith Number

pith:PWF2ECRH

pith:2025:PWF2ECRH4Y7QOZJDAMJLQ4UJBV

not attested not anchored not stored refs pending

Recognizing and generating knotted molecular structures by machine learning

Liang Dai, Yongjian Zhu, Zhiyu Zhang

arxiv:2501.12780 v1 · 2025-01-22 · physics.comp-ph · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWF2ECRH4Y7QOZJDAMJLQ4UJBV}

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	2026-07-05T10:03:58.612290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d8ba20a27e63f0765230312b872890d75a50d334076e6d89a9ccacf6d1555f3

Aliases

arxiv: 2501.12780 · arxiv_version: 2501.12780v1 · doi: 10.48550/arxiv.2501.12780 · pith_short_12: PWF2ECRH4Y7Q · pith_short_16: PWF2ECRH4Y7QOZJD · pith_short_8: PWF2ECRH

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/PWF2ECRH4Y7QOZJDAMJLQ4UJBV \
  | 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: 7d8ba20a27e63f0765230312b872890d75a50d334076e6d89a9ccacf6d1555f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b06f122a1d6b0b9dfc0c7fae51315abc8a2fc7bd75c63e6c7593fddf5b215322",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2025-01-22T10:31:26Z",
    "title_canon_sha256": "8e18e0eff7655662ed61d0bb5e1ade4207e48a04b0fb59b0dc7e5d0b2b203451"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.12780",
    "kind": "arxiv",
    "version": 1
  }
}