Pith Number

pith:HI52UHST

pith:2011:HI52UHSTXQ7SSV4BYBFP6QB4BW

not attested not anchored not stored refs pending

Two-Manifold Problems

Byron Boots, Geoffrey J. Gordon

arxiv:1112.6399 v1 · 2011-12-29 · 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{HI52UHSTXQ7SSV4BYBFP6QB4BW}

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	2026-05-18T04:05:28.562903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a3baa1e53bc3f295781c04aff403c0da56b02ab6af3cb16620d598c2f93654e

Aliases

arxiv: 1112.6399 · arxiv_version: 1112.6399v1 · doi: 10.48550/arxiv.1112.6399 · pith_short_12: HI52UHSTXQ7S · pith_short_16: HI52UHSTXQ7SSV4B · pith_short_8: HI52UHST

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/HI52UHSTXQ7SSV4BYBFP6QB4BW \
  | 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: 3a3baa1e53bc3f295781c04aff403c0da56b02ab6af3cb16620d598c2f93654e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fbd3a71697a9c2028ff171aa82817498b8c67d6572e5929e5496319ff21093b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2011-12-29T19:52:14Z",
    "title_canon_sha256": "9e26a6b78a153d3e71637e6aec30239495fe2d2aa1686ca51f071f1d3c5d7f43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.6399",
    "kind": "arxiv",
    "version": 1
  }
}