Pith Number

pith:6AHACD5T

pith:2021:6AHACD5T73GVJIE3NCGEX6XOPQ

not attested not anchored not stored refs pending

A Value-Function-based Interior-point Method for Non-convex Bi-level Optimization

Jin Zhang, Risheng Liu, Shangzhi Zeng, Xiaoming Yuan, Xuan Liu

arxiv:2106.07991 v1 · 2021-06-15 · math.OC · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6AHACD5T73GVJIE3NCGEX6XOPQ}

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	2026-07-05T02:49:36.333230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f00e010fb3fecd54a09b688c4bfaee7c0c158390bd6bd20c65d554e18977f21f

Aliases

arxiv: 2106.07991 · arxiv_version: 2106.07991v1 · doi: 10.48550/arxiv.2106.07991 · pith_short_12: 6AHACD5T73GV · pith_short_16: 6AHACD5T73GVJIE3 · pith_short_8: 6AHACD5T

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/6AHACD5T73GVJIE3NCGEX6XOPQ \
  | 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: f00e010fb3fecd54a09b688c4bfaee7c0c158390bd6bd20c65d554e18977f21f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fab71af077979806e6da0787cc9ae5e0d94105dcfa6433a9291627afc31db62b",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-06-15T09:10:40Z",
    "title_canon_sha256": "1f5dd9b8f0576acaf74509bf228bcc3f466482879611c9763b59ec7d911b1566"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.07991",
    "kind": "arxiv",
    "version": 1
  }
}