Pith Number

pith:JRFIP2JI

pith:2013:JRFIP2JIXQ7CYXZVE6FU5STZKH

not attested not anchored not stored refs pending

An Experimental Comparison of Trust Region and Level Sets

Frank R. Schmidt, Ismail BenAyed, Lena Gorelick, Yuri Boykov

arxiv:1311.2102 v1 · 2013-11-08 · 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{JRFIP2JIXQ7CYXZVE6FU5STZKH}

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	2026-05-18T03:07:33.542089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c4a87e928bc3e2c5f35278b4eca7951dbb448169b048ec2ad6750a92b915a6b

Aliases

arxiv: 1311.2102 · arxiv_version: 1311.2102v1 · doi: 10.48550/arxiv.1311.2102 · pith_short_12: JRFIP2JIXQ7C · pith_short_16: JRFIP2JIXQ7CYXZV · pith_short_8: JRFIP2JI

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/JRFIP2JIXQ7CYXZVE6FU5STZKH \
  | 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: 4c4a87e928bc3e2c5f35278b4eca7951dbb448169b048ec2ad6750a92b915a6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ceb51ed6b0ad40cf2d7c4356818c8113e4556a812b8e6049067cc20b18ed3a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-11-08T22:49:07Z",
    "title_canon_sha256": "452e51afe160c702d0b8d4af0144d58d2d560957cfcc5f673db8860af9b29513"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2102",
    "kind": "arxiv",
    "version": 1
  }
}