Pith Number

pith:C2QBFWVT

pith:2016:C2QBFWVT3HHP5SPI6SAOIXFI7F

not attested not anchored not stored refs pending

Geometric Mean Metric Learning

Pourya Habib Zadeh, Reshad Hosseini, Suvrit Sra

arxiv:1607.05002 v1 · 2016-07-18 · stat.ML · 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{C2QBFWVT3HHP5SPI6SAOIXFI7F}

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	2026-05-18T01:10:56.145007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16a012dab3d9cefec9e8f480e45ca8f964a06f6547112a299632ad561feb42e4

Aliases

arxiv: 1607.05002 · arxiv_version: 1607.05002v1 · doi: 10.48550/arxiv.1607.05002 · pith_short_12: C2QBFWVT3HHP · pith_short_16: C2QBFWVT3HHP5SPI · pith_short_8: C2QBFWVT

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/C2QBFWVT3HHP5SPI6SAOIXFI7F \
  | 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: 16a012dab3d9cefec9e8f480e45ca8f964a06f6547112a299632ad561feb42e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "224312e7aa93caeb257384af619b4a770f6218bcb84056b96a3f0109083216e3",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-07-18T10:14:46Z",
    "title_canon_sha256": "4ad089b73d9ae5f7693c1123ea4740ba1a35fa05973f6547923a8700e195ac02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.05002",
    "kind": "arxiv",
    "version": 1
  }
}