Pith Number

pith:OKDMSDMN

pith:2012:OKDMSDMNY46BWCUEW4VY7HVYK2

not attested not anchored not stored refs pending

Robust Degraded Face Recognition Using Enhanced Local Frequency Descriptor and Multi-scale Competition

Guangling Sun, Guoqing Li, Xinpeng Zhang

arxiv:1210.1033 v1 · 2012-10-03 · 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{OKDMSDMNY46BWCUEW4VY7HVYK2}

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	2026-05-18T03:44:05.738605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7286c90d8dc73c1b0a84b72b8f9eb85684131aa2c0a3b614592257453fe01af6

Aliases

arxiv: 1210.1033 · arxiv_version: 1210.1033v1 · doi: 10.48550/arxiv.1210.1033 · pith_short_12: OKDMSDMNY46B · pith_short_16: OKDMSDMNY46BWCUE · pith_short_8: OKDMSDMN

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/OKDMSDMNY46BWCUEW4VY7HVYK2 \
  | 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: 7286c90d8dc73c1b0a84b72b8f9eb85684131aa2c0a3b614592257453fe01af6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a378d6e015cfd92bfae3f037b68ff860b4a25f7e1957f40da66c67222f2ae3af",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-10-03T09:02:51Z",
    "title_canon_sha256": "24a47db77c1b0971682f464d7eafd6a2b17a207d1e26e130697345cc54c17915"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1033",
    "kind": "arxiv",
    "version": 1
  }
}