Pith Number

pith:4DBY44JW

pith:2016:4DBY44JWKIUQZ6EV4IP5GK3LCX

not attested not anchored not stored refs pending

Semi-supervised Vocabulary-informed Learning

Leonid Sigal, Yanwei Fu

arxiv:1604.07093 v1 · 2016-04-24 · cs.CV · cs.AI · cs.LG · stat.AP · 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{4DBY44JWKIUQZ6EV4IP5GK3LCX}

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	2026-05-18T01:16:23.101493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0c38e713652290cf895e21fd32b6b15c56f41e8cf293200c2817b99bcd35bae

Aliases

arxiv: 1604.07093 · arxiv_version: 1604.07093v1 · doi: 10.48550/arxiv.1604.07093 · pith_short_12: 4DBY44JWKIUQ · pith_short_16: 4DBY44JWKIUQZ6EV · pith_short_8: 4DBY44JW

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/4DBY44JWKIUQZ6EV4IP5GK3LCX \
  | 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: e0c38e713652290cf895e21fd32b6b15c56f41e8cf293200c2817b99bcd35bae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed4d2ed62b6e58f555bf71c4707b2f2c918e31dc45acbd480afa0f28437fa1b1",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-04-24T23:36:36Z",
    "title_canon_sha256": "f63e3c5f1e244783add70098fdcaea3a30658a74ff24796b502b70107a1888f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07093",
    "kind": "arxiv",
    "version": 1
  }
}