Pith Number

pith:55P3AD2K

pith:2016:55P3AD2KJ3EYQI2TC6WZVIBN5L

not attested not anchored not stored refs pending

Dynamic Metric Learning from Pairwise Comparisons

Alfred Hero III, Kristjan Greenewald, Stephen Kelley

arxiv:1610.03090 v1 · 2016-10-10 · 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{55P3AD2KJ3EYQI2TC6WZVIBN5L}

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	2026-05-18T01:02:46.576716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef5fb00f4a4ec988235317ad9aa02deae95c5bdd4e72ffe07402daaec08b8df3

Aliases

arxiv: 1610.03090 · arxiv_version: 1610.03090v1 · doi: 10.48550/arxiv.1610.03090 · pith_short_12: 55P3AD2KJ3EY · pith_short_16: 55P3AD2KJ3EYQI2T · pith_short_8: 55P3AD2K

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/55P3AD2KJ3EYQI2TC6WZVIBN5L \
  | 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: ef5fb00f4a4ec988235317ad9aa02deae95c5bdd4e72ffe07402daaec08b8df3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84c4c012a732c053ad4fdb33f87dc55281b98e23931b5992069edc64e24b6ea8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-10-10T20:39:25Z",
    "title_canon_sha256": "cac109709ee01a4f0c1017e34cb5d653531f794f6e7df2d6361ab49d4fe0a849"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03090",
    "kind": "arxiv",
    "version": 1
  }
}