Pith Number

pith:PZKFRXUW

pith:2017:PZKFRXUWIRCVWLR3BBWT4U465U

not attested not anchored not stored refs pending

3D Object Classification via Spherical Projections

Karthik Ramani, Qixing Huang, Zhangjie Cao

arxiv:1712.04426 v1 · 2017-12-12 · 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{PZKFRXUWIRCVWLR3BBWT4U465U}

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	2026-05-18T00:28:08.053511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e5458de9644455b2e3b086d3e539eed04fb49a56244f7ae25acd51efb8c7b90

Aliases

arxiv: 1712.04426 · arxiv_version: 1712.04426v1 · doi: 10.48550/arxiv.1712.04426 · pith_short_12: PZKFRXUWIRCV · pith_short_16: PZKFRXUWIRCVWLR3 · pith_short_8: PZKFRXUW

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/PZKFRXUWIRCVWLR3BBWT4U465U \
  | 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: 7e5458de9644455b2e3b086d3e539eed04fb49a56244f7ae25acd51efb8c7b90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d731cc743a641715dff5ebf0d476e9d910b1c812c60996ee46ac1c9f577ea02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-12-12T18:37:34Z",
    "title_canon_sha256": "8e4d6ecf68780a9bf049d603a3e01d29b970af18ad9fabce3c44787de9373f86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04426",
    "kind": "arxiv",
    "version": 1
  }
}