Pith Number

pith:C6UMG4TM

pith:2018:C6UMG4TMKVKYCDWTG7QI6ORBWO

not attested not anchored not stored refs pending

A Face Recognition Signature Combining Patch-based Features with Soft Facial Attributes

Ioannis A. Kakadiaris, Lingfeng Zhang, Pengfei Dou

arxiv:1803.09359 v1 · 2018-03-25 · 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{C6UMG4TMKVKYCDWTG7QI6ORBWO}

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	2026-05-18T00:20:11.876348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17a8c3726c5555810ed337e08f3a21b3ad6f1897dad0ba809c67490c94ba16a6

Aliases

arxiv: 1803.09359 · arxiv_version: 1803.09359v1 · doi: 10.48550/arxiv.1803.09359 · pith_short_12: C6UMG4TMKVKY · pith_short_16: C6UMG4TMKVKYCDWT · pith_short_8: C6UMG4TM

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/C6UMG4TMKVKYCDWTG7QI6ORBWO \
  | 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: 17a8c3726c5555810ed337e08f3a21b3ad6f1897dad0ba809c67490c94ba16a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9bfa8f23b5c754cebee1ce3873ed9815ea7b6c6af09192da6b1d37012bf0567",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-03-25T22:32:18Z",
    "title_canon_sha256": "e86e704e7bc64e4707e793154516a2a8603cebb2b0afb97c192c4715149e060f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09359",
    "kind": "arxiv",
    "version": 1
  }
}