Pith Number

pith:7GM2MPHI

pith:2025:7GM2MPHIZLQYZU4SEQTQCMCPAY

not attested not anchored not stored refs pending

Hierarchical Feature-level Reverse Propagation for Post-Training Neural Networks

Keqiang Li, Lei He, Ni Ding, Shengbo Eben Li

arxiv:2506.07188 v1 · 2025-06-08 · 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{7GM2MPHIZLQYZU4SEQTQCMCPAY}

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	2026-07-05T11:18:03.243344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f999a63ce8cae18cd392242701304f0635b5c44a9c8d2ee20d4e0d4519fddcd9

Aliases

arxiv: 2506.07188 · arxiv_version: 2506.07188v1 · doi: 10.48550/arxiv.2506.07188 · pith_short_12: 7GM2MPHIZLQY · pith_short_16: 7GM2MPHIZLQYZU4S · pith_short_8: 7GM2MPHI

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/7GM2MPHIZLQYZU4SEQTQCMCPAY \
  | 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: f999a63ce8cae18cd392242701304f0635b5c44a9c8d2ee20d4e0d4519fddcd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cbbf9df3e16bcfc4d24645d0aebfef432def8c978c84ba912054d9aae79603b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-06-08T15:19:03Z",
    "title_canon_sha256": "e63fe80ea1b75c2a84db9232c6001ade9be7ad0104d72300ebf286f71c9014a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.07188",
    "kind": "arxiv",
    "version": 1
  }
}