Pith Number

pith:FLTOQPYC

pith:2015:FLTOQPYC5GW6OYDBFH24IHPAYY

not attested not anchored not stored refs pending

Metric Learning with Adaptive Density Discrimination

Lubomir Bourdev, Manohar Paluri, Oren Rippel, Piotr Dollar

arxiv:1511.05939 v2 · 2015-11-18 · 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{FLTOQPYC5GW6OYDBFH24IHPAYY}

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	2026-05-18T01:19:44.031467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ae6e83f02e9ade7606129f5c41de0c617388409b94ccfaaea0eb860c1bf9e90

Aliases

arxiv: 1511.05939 · arxiv_version: 1511.05939v2 · doi: 10.48550/arxiv.1511.05939 · pith_short_12: FLTOQPYC5GW6 · pith_short_16: FLTOQPYC5GW6OYDB · pith_short_8: FLTOQPYC

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/FLTOQPYC5GW6OYDBFH24IHPAYY \
  | 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: 2ae6e83f02e9ade7606129f5c41de0c617388409b94ccfaaea0eb860c1bf9e90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6e901fdaddb77304abb04144250d6d167e9f10117ec23fd6da1585a87b3f40f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-11-18T20:41:05Z",
    "title_canon_sha256": "7556b475edd0cc5f90b3a1d8e490ebcf2d8f3b9ae1aa6dc35ed8ad752c8918ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05939",
    "kind": "arxiv",
    "version": 2
  }
}