Pith Number

pith:NVHK2DME

pith:2019:NVHK2DMEQWGZSHPZX63PB65XDZ

not attested not anchored not stored refs pending

Building Automated Survey Coders via Interactive Machine Learning

Alejandro Moreo, Andrea Esuli, Fabrizio Sebastiani

arxiv:1903.12110 v1 · 2019-03-28 · cs.IR · 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{NVHK2DMEQWGZSHPZX63PB65XDZ}

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	2026-07-05T03:15:49.777016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d4ead0d84858d991df9bfb6f0fbb71e61b1081346c79ca4a79797cabac80872

Aliases

arxiv: 1903.12110 · arxiv_version: 1903.12110v1 · doi: 10.48550/arxiv.1903.12110 · pith_short_12: NVHK2DMEQWGZ · pith_short_16: NVHK2DMEQWGZSHPZ · pith_short_8: NVHK2DME

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/NVHK2DMEQWGZSHPZX63PB65XDZ \
  | 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: 6d4ead0d84858d991df9bfb6f0fbb71e61b1081346c79ca4a79797cabac80872

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a7ef03e2936e72a6deef8dd1317dc43d14a45c6a3ae976b0305df1ecb37398a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-03-28T16:51:17Z",
    "title_canon_sha256": "f3df57697f0e8cdbc8fba0a88385df903ad83bf03580f269becdd97a5834fcdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12110",
    "kind": "arxiv",
    "version": 1
  }
}