Pith Number

pith:37B7DOEK

pith:2017:37B7DOEKBMHUH7WWUA3LFBN2MY

not attested not anchored not stored refs pending

Lifelong Metric Learning

Gan Sun, Ji Liu, Xiaowei Xu, Yang Cong

arxiv:1705.01209 v2 · 2017-05-03 · cs.LG · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37B7DOEKBMHUH7WWUA3LFBN2MY}

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	2026-05-18T00:42:34.718853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfc3f1b88a0b0f43fed6a036b285ba66176593a1d926afef5fa5df4cbc4a02fb

Aliases

arxiv: 1705.01209 · arxiv_version: 1705.01209v2 · doi: 10.48550/arxiv.1705.01209 · pith_short_12: 37B7DOEKBMHU · pith_short_16: 37B7DOEKBMHUH7WW · pith_short_8: 37B7DOEK

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/37B7DOEKBMHUH7WWUA3LFBN2MY \
  | 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: dfc3f1b88a0b0f43fed6a036b285ba66176593a1d926afef5fa5df4cbc4a02fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe274b00d1164fd324b91aa50c66307d80525f1974014f142f8f9ef78766ebb6",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-05-03T00:31:55Z",
    "title_canon_sha256": "ce1f6327d2ea555b845402dbf479e7165576a15ee11e670055a1ab395ac4eac2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01209",
    "kind": "arxiv",
    "version": 2
  }
}