Pith Number

pith:VP57XXGK

pith:2019:VP57XXGKG7FXZ3D3BODM62DCCA

not attested not anchored not stored refs pending

Visual Explanation for Deep Metric Learning

Chen Chen, Sijie Zhu, Taojiannan Yang

arxiv:1909.12977 v4 · 2019-09-27 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VP57XXGKG7FXZ3D3BODM62DCCA}

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	2026-07-05T03:09:26.045870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abfbfbdcca37cb7cec7b0b86cf68621034917c6dd9df316c24de26126ddbfedb

Aliases

arxiv: 1909.12977 · arxiv_version: 1909.12977v4 · doi: 10.48550/arxiv.1909.12977 · pith_short_12: VP57XXGKG7FX · pith_short_16: VP57XXGKG7FXZ3D3 · pith_short_8: VP57XXGK

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/VP57XXGKG7FXZ3D3BODM62DCCA \
  | 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: abfbfbdcca37cb7cec7b0b86cf68621034917c6dd9df316c24de26126ddbfedb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b87138ce700104bf31cce94413160fcc48e3703f052b609712a67075b0a56d5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-09-27T22:30:58Z",
    "title_canon_sha256": "ef7611993f5aa64668afe6f158527b02c854ed0e822a478e0f463e105666f644"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.12977",
    "kind": "arxiv",
    "version": 4
  }
}