Pith Number

pith:PQAU7SZ3

pith:2023:PQAU7SZ3DQDGY2J6READGVXZ3K

not attested not anchored not stored refs pending

Expectation Maximization Pseudo Labels

Chen Jin, Daniel C. Alexander, Joseph Jacob, Marius de Groot, Moucheng Xu, Neil P. Oxtoby, Yipeng Hu, Yukun Zhou

arxiv:2305.01747 v2 · 2023-05-02 · cs.CV · cs.AI · 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{PQAU7SZ3DQDGY2J6READGVXZ3K}

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	2026-07-05T07:37:49.432824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c014fcb3b1c066c693e89003356f9da827d2a97b51bb1c863f547b45eea82e5

Aliases

arxiv: 2305.01747 · arxiv_version: 2305.01747v2 · doi: 10.48550/arxiv.2305.01747 · pith_short_12: PQAU7SZ3DQDG · pith_short_16: PQAU7SZ3DQDGY2J6 · pith_short_8: PQAU7SZ3

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/PQAU7SZ3DQDGY2J6READGVXZ3K \
  | 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: 7c014fcb3b1c066c693e89003356f9da827d2a97b51bb1c863f547b45eea82e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "337f180d1f03a5a87dc9313d50468c51d62f12a94a9aaea9651b89bd2bc43e1c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-05-02T19:29:17Z",
    "title_canon_sha256": "11f485e9a91cc89b32545f08e0fd37b7bf616fef0e918f5323027be79f41ca25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.01747",
    "kind": "arxiv",
    "version": 2
  }
}