Pith Number

pith:QK7O2FXS

pith:2022:QK7O2FXSTZLINDQ5AUTNSOIF2U

not attested not anchored not stored refs pending

Darwinian Model Upgrades: Model Evolving with Selective Compatibility

Binjie Zhang, Chun Yuan, Mike Zheng Shou, Shupeng Su, Xuyuan Xu, Yexin Wang, Ying Shan, Yixiao Ge

arxiv:2210.06954 v1 · 2022-10-13 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QK7O2FXSTZLINDQ5AUTNSOIF2U}

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	2026-07-05T05:06:22.766934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82beed16f29e56868e1d0526d93905d52263b882ba2837b1ac3d0b6ddc2a4069

Aliases

arxiv: 2210.06954 · arxiv_version: 2210.06954v1 · doi: 10.48550/arxiv.2210.06954 · pith_short_12: QK7O2FXSTZLI · pith_short_16: QK7O2FXSTZLINDQ5 · pith_short_8: QK7O2FXS

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/QK7O2FXSTZLINDQ5AUTNSOIF2U \
  | 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: 82beed16f29e56868e1d0526d93905d52263b882ba2837b1ac3d0b6ddc2a4069

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f03157944cc04e390b75f6a1988d064627d9a22f77c6ad3a6b304ecc131ec4c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-10-13T12:28:48Z",
    "title_canon_sha256": "0da257f7246cff054fef6a2ef3a6c27f18c5e327677a77a68898aa03692d044d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.06954",
    "kind": "arxiv",
    "version": 1
  }
}