Pith Number

pith:IA7VMX26

pith:2018:IA7VMX265YIIFRVTVANAXAT46W

not attested not anchored not stored refs pending

Face Recognition in Low Quality Images: A Survey

Domingo Mery, Loreto Prieto, Patrick Flynn, Pei Li

arxiv:1805.11519 v3 · 2018-05-29 · 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{IA7VMX265YIIFRVTVANAXAT46W}

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	2026-05-17T23:49:57.249627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

403f565f5eee1082c6b3a81a0b827cf5bdb58eac7be332f81bba91688314ab75

Aliases

arxiv: 1805.11519 · arxiv_version: 1805.11519v3 · doi: 10.48550/arxiv.1805.11519 · pith_short_12: IA7VMX265YII · pith_short_16: IA7VMX265YIIFRVT · pith_short_8: IA7VMX26

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/IA7VMX265YIIFRVTVANAXAT46W \
  | 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: 403f565f5eee1082c6b3a81a0b827cf5bdb58eac7be332f81bba91688314ab75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28e62d1690265eea11c5b50693eae680a6fd32acae21506f74f1fe8f1155cd80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-05-29T14:50:39Z",
    "title_canon_sha256": "6a6aa8ce4b9c6ca6788dcb1b943f1b9aa4b3371653135c48dff09f2b31e0712a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11519",
    "kind": "arxiv",
    "version": 3
  }
}