Pith Number

pith:7NCFIL4X

pith:2019:7NCFIL4XECRZKIJMJHTEOIHEV2

not attested not anchored not stored refs pending

A new hybrid genetic algorithm for protein structure prediction on the 2D triangular lattice

Nabil Boumedine, Sadek Bouroubi

arxiv:1907.04190 v1 · 2019-07-08 · cs.NE · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7NCFIL4XECRZKIJMJHTEOIHEV2}

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	2026-05-17T23:41:03.051006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb44542f9720a395212c49e64720e4ae837d9efcbaac4ac590b961548fcaee86

Aliases

arxiv: 1907.04190 · arxiv_version: 1907.04190v1 · doi: 10.48550/arxiv.1907.04190 · pith_short_12: 7NCFIL4XECRZ · pith_short_16: 7NCFIL4XECRZKIJM · pith_short_8: 7NCFIL4X

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/7NCFIL4XECRZKIJMJHTEOIHEV2 \
  | 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: fb44542f9720a395212c49e64720e4ae837d9efcbaac4ac590b961548fcaee86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83752c70bb461473b8f074b74963aa0bab068098110aaca106cce78135c3695a",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2019-07-08T11:33:10Z",
    "title_canon_sha256": "85bda45de43d9a41a5266988871e9c1be99c078a8eef0cd0d52a80d5bdc75e7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04190",
    "kind": "arxiv",
    "version": 1
  }
}