Pith Number

pith:LE5MO6QF

pith:2013:LE5MO6QFZVAI6AB37YO4LWA5JJ

not attested not anchored not stored refs pending

GNCGCP - Graduated NonConvexity and Graduated Concavity Procedure

Hong Qiao, Zhi-yong Liu

arxiv:1308.6388 v1 · 2013-08-29 · 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{LE5MO6QFZVAI6AB37YO4LWA5JJ}

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	2026-05-18T03:14:40.086016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

593ac77a05cd408f003bfe1dc5d81d4a74ae43c74927a939114229499b604b08

Aliases

arxiv: 1308.6388 · arxiv_version: 1308.6388v1 · doi: 10.48550/arxiv.1308.6388 · pith_short_12: LE5MO6QFZVAI · pith_short_16: LE5MO6QFZVAI6AB3 · pith_short_8: LE5MO6QF

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/LE5MO6QFZVAI6AB37YO4LWA5JJ \
  | 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: 593ac77a05cd408f003bfe1dc5d81d4a74ae43c74927a939114229499b604b08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4fd7b064cbc79f600a6ed0dff07a6f38148a2f96b19c13f0f072ae0902250c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-08-29T08:00:20Z",
    "title_canon_sha256": "6a6892be95647f650408dba34c724102d0e823d3a54f9a7ae6703e8a97228167"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6388",
    "kind": "arxiv",
    "version": 1
  }
}