Pith Number

pith:JNZ6R44A

pith:2019:JNZ6R44A5WJTLDB4PHFESUFS4E

not attested not anchored not stored refs pending

Multi-hypothesis classifier

Sayantan Sengupta, Sudip Sanyal

arxiv:1908.07857 v1 · 2019-08-20 · 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{JNZ6R44A5WJTLDB4PHFESUFS4E}

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	2026-07-04T23:59:01.877390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b73e8f380ed93358c3c79ca4950b2e1318f72799f1e254d00f00b05d34f98fc

Aliases

arxiv: 1908.07857 · arxiv_version: 1908.07857v1 · doi: 10.48550/arxiv.1908.07857 · pith_short_12: JNZ6R44A5WJT · pith_short_16: JNZ6R44A5WJTLDB4 · pith_short_8: JNZ6R44A

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/JNZ6R44A5WJTLDB4PHFESUFS4E \
  | 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: 4b73e8f380ed93358c3c79ca4950b2e1318f72799f1e254d00f00b05d34f98fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dadc5131c710fc2db0995b9e25e4a901c4c8c88e24669e6852a5b7b31ac21a89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-08-20T14:28:28Z",
    "title_canon_sha256": "98cfabf0b4431337e1af4d136d4171b9dace010941a9118d13044300cb04eeac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07857",
    "kind": "arxiv",
    "version": 1
  }
}