Pith Number

pith:TFJ6TW6D

pith:2018:TFJ6TW6D4GJZINPTGPS7UE5YO2

not attested not anchored not stored refs pending

Additive Margin Softmax for Face Verification

Feng Wang, Haijun Liu, Jian Cheng, Weiyang Liu

arxiv:1801.05599 v4 · 2018-01-17 · 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{TFJ6TW6D4GJZINPTGPS7UE5YO2}

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	2026-05-18T00:14:40.485889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9953e9dbc3e1939435f333e5fa13b876a1a15b7d6d0771a654133d4e15f2e295

Aliases

arxiv: 1801.05599 · arxiv_version: 1801.05599v4 · doi: 10.48550/arxiv.1801.05599 · pith_short_12: TFJ6TW6D4GJZ · pith_short_16: TFJ6TW6D4GJZINPT · pith_short_8: TFJ6TW6D

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/TFJ6TW6D4GJZINPTGPS7UE5YO2 \
  | 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: 9953e9dbc3e1939435f333e5fa13b876a1a15b7d6d0771a654133d4e15f2e295

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3abc6cea7a8ce6e4be7f3baeed77ee874ae36ffa22dcfed76b89d14ae3d6835",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-01-17T09:13:05Z",
    "title_canon_sha256": "3bace6efb2e0586e9aebc7f0bb6335958c822573b782ac80e8cb26eed84ce60f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05599",
    "kind": "arxiv",
    "version": 4
  }
}