Pith Number

pith:2ABOHJMJ

pith:2014:2ABOHJMJ62P6KFQE7Q6WPUKTEQ

not attested not anchored not stored refs pending

Face Identification with Second-Order Pooling

Chunhua Shen, Fumin Shen, Heng Tao Shen

arxiv:1406.6818 v2 · 2014-06-26 · 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{2ABOHJMJ62P6KFQE7Q6WPUKTEQ}

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	2026-05-18T02:42:39.064222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d002e3a589f69fe51604fc3d67d153241a94a367fc93fb8fffb3f976db27a4d8

Aliases

arxiv: 1406.6818 · arxiv_version: 1406.6818v2 · doi: 10.48550/arxiv.1406.6818 · pith_short_12: 2ABOHJMJ62P6 · pith_short_16: 2ABOHJMJ62P6KFQE · pith_short_8: 2ABOHJMJ

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/2ABOHJMJ62P6KFQE7Q6WPUKTEQ \
  | 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: d002e3a589f69fe51604fc3d67d153241a94a367fc93fb8fffb3f976db27a4d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa535c993942aa023a87924bfb40a687d667c132fe24334289d3501d53b01c1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-06-26T09:21:42Z",
    "title_canon_sha256": "c7cf0c3ff3de137b1992df4ea8d2a938eb2cb181dcec6f1f55e7ae51f1addb3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6818",
    "kind": "arxiv",
    "version": 2
  }
}