Pith Number

pith:ZB6NR6BE

pith:2011:ZB6NR6BEEETWK7K5FCFBFUMF6R

not attested not anchored not stored refs pending

A note on active learning for smooth problems

Satyaki Mahalanabis

arxiv:1103.3095 v1 · 2011-03-16 · cs.LG · 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{ZB6NR6BEEETWK7K5FCFBFUMF6R}

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	2026-05-18T02:22:18.877170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c87cd8f8242127657d5d288a12d185f470f6d3aad20a0c4d2bc1791aca1e22b6

Aliases

arxiv: 1103.3095 · arxiv_version: 1103.3095v1 · doi: 10.48550/arxiv.1103.3095 · pith_short_12: ZB6NR6BEEETW · pith_short_16: ZB6NR6BEEETWK7K5 · pith_short_8: ZB6NR6BE

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/ZB6NR6BEEETWK7K5FCFBFUMF6R \
  | 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: c87cd8f8242127657d5d288a12d185f470f6d3aad20a0c4d2bc1791aca1e22b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f0502d75685eaad8a4a8e8643c086731266eb2c88f2e25a81ee93f25f3f20ae",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2011-03-16T04:54:58Z",
    "title_canon_sha256": "34c2d6ca26b3782b65ca44108e60294984082c0e4af0b9b10fe73be27fd1bcba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3095",
    "kind": "arxiv",
    "version": 1
  }
}