Pith Number

pith:23CH3UD4

pith:2015:23CH3UD4T4HEWNKKS4O6S77YH3

not attested not anchored not stored refs pending

Precise Phase Transition of Total Variation Minimization

Bingwen Zhang, Jian-Feng Cai, Lifeng Lai, Weiyu Xu

arxiv:1509.04376 v1 · 2015-09-15 · cs.IT · cs.LG · math.IT · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{23CH3UD4T4HEWNKKS4O6S77YH3}

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	2026-05-18T01:33:07.329690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6c47dd07c9f0e4b354a971de97ff83eef570cbea88ac17a175b47c03d89cff8

Aliases

arxiv: 1509.04376 · arxiv_version: 1509.04376v1 · doi: 10.48550/arxiv.1509.04376 · pith_short_12: 23CH3UD4T4HE · pith_short_16: 23CH3UD4T4HEWNKK · pith_short_8: 23CH3UD4

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/23CH3UD4T4HEWNKKS4O6S77YH3 \
  | 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: d6c47dd07c9f0e4b354a971de97ff83eef570cbea88ac17a175b47c03d89cff8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "067a5c03b1029d009f0ec708c0a115a53d1dbc9742f6586e874eecea35dbd3c3",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-09-15T02:18:58Z",
    "title_canon_sha256": "825405d8748595b05770ac65c314ed1f3194cd212678b245312f5de6a84ff2e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04376",
    "kind": "arxiv",
    "version": 1
  }
}