Pith Number

pith:OYR2VVDV

pith:2020:OYR2VVDVMPIE3BWXUKESTAQDAD

not attested not anchored not stored refs pending

Few-shots Parallel Algorithm Portfolio Construction via Co-evolution

Ke Tang, Peng Yang, Shengcai Liu, Xin Yao

arxiv:2007.00501 v2 · 2020-07-01 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYR2VVDVMPIE3BWXUKESTAQDAD}

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	2026-07-05T02:17:27.125346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7623aad47563d04d86d7a28929820300dafa70b6d6e97c9024ef950d4ed7f058

Aliases

arxiv: 2007.00501 · arxiv_version: 2007.00501v2 · doi: 10.48550/arxiv.2007.00501 · pith_short_12: OYR2VVDVMPIE · pith_short_16: OYR2VVDVMPIE3BWX · pith_short_8: OYR2VVDV

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/OYR2VVDVMPIE3BWXUKESTAQDAD \
  | 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: 7623aad47563d04d86d7a28929820300dafa70b6d6e97c9024ef950d4ed7f058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e220941e86dc1bf97cc5b5f6dc753abff35d84d2a150cb81d992dfcb38052dd8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2020-07-01T14:02:19Z",
    "title_canon_sha256": "2f0cd98d71230660cebc9d0a23da85525fd6bdc0fbe5c1d2beccdc906fe723bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.00501",
    "kind": "arxiv",
    "version": 2
  }
}