Pith Number

pith:3VJNXMM4

pith:2020:3VJNXMM47PTHG2SFTFVSR4MWNB

not attested not anchored not stored refs pending

Not Your Grandfathers Test Set: Reducing Labeling Effort for Testing

Anupama Murthi, Begum Taskazan, Benjamin Elder, Ganesh Venkataraman, Jiri Navratil, Matthew Arnold

arxiv:2007.05499 v1 · 2020-07-10 · 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{3VJNXMM47PTHG2SFTFVSR4MWNB}

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	2026-07-05T01:17:47.510708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd52dbb19cfbe6736a45996b28f1966866f53d301db1d528294d32c1a33a9997

Aliases

arxiv: 2007.05499 · arxiv_version: 2007.05499v1 · doi: 10.48550/arxiv.2007.05499 · pith_short_12: 3VJNXMM47PTH · pith_short_16: 3VJNXMM47PTHG2SF · pith_short_8: 3VJNXMM4

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/3VJNXMM47PTHG2SFTFVSR4MWNB \
  | 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: dd52dbb19cfbe6736a45996b28f1966866f53d301db1d528294d32c1a33a9997

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25b7199e0f3cc792fbfebfa16ca19f96062c8386669a700c0624a1eb692aafd8",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-07-10T17:25:11Z",
    "title_canon_sha256": "564b695f38a6813333fed8c82fd0fd6864c985f7a0a346197073c2e9cd2aa7ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.05499",
    "kind": "arxiv",
    "version": 1
  }
}