Pith Number

pith:MHXGAUMA

pith:2020:MHXGAUMAJLF4GF4MQKUXBPBJOX

not attested not anchored not stored refs pending

Affine Non-negative Collaborative Representation Based Pattern Classification

He-Feng Yin, Josef Kittler, Xiao-Jun Wu, Zhen-Hua Feng

arxiv:2007.05175 v1 · 2020-07-10 · 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{MHXGAUMAJLF4GF4MQKUXBPBJOX}

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	2026-07-05T01:17:44.200849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61ee6051804acbc3178c82a970bc2975effd022f4df7ee2dbf96ef8dd611c6e0

Aliases

arxiv: 2007.05175 · arxiv_version: 2007.05175v1 · doi: 10.48550/arxiv.2007.05175 · pith_short_12: MHXGAUMAJLF4 · pith_short_16: MHXGAUMAJLF4GF4M · pith_short_8: MHXGAUMA

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/MHXGAUMAJLF4GF4MQKUXBPBJOX \
  | 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: 61ee6051804acbc3178c82a970bc2975effd022f4df7ee2dbf96ef8dd611c6e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28be5a2cfaaa447934e00c62283b186e484d376e452fbaae2cfd38401609fe06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-07-10T05:48:54Z",
    "title_canon_sha256": "b238e7080de47300082cfeca6f835f4df34fcaa88fdd54eb7919710142036ded"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.05175",
    "kind": "arxiv",
    "version": 1
  }
}