Pith Number

pith:X2IP24JT

pith:2021:X2IP24JT2LLBU4E5PI2YMXJZUJ

not attested not anchored not stored refs pending

Few-Data Guided Learning Upon End-to-End Point Cloud Network for 3D Face Recognition

Feipeng Da, Yi Yu, Ziyu Zhang

arxiv:2103.16927 v1 · 2021-03-31 · 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{X2IP24JT2LLBU4E5PI2YMXJZUJ}

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	2026-07-05T02:28:10.487812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be90fd7133d2d61a709d7a35865d39a277407788f696c66581ce78b4d39c78bc

Aliases

arxiv: 2103.16927 · arxiv_version: 2103.16927v1 · doi: 10.48550/arxiv.2103.16927 · pith_short_12: X2IP24JT2LLB · pith_short_16: X2IP24JT2LLBU4E5 · pith_short_8: X2IP24JT

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/X2IP24JT2LLBU4E5PI2YMXJZUJ \
  | 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: be90fd7133d2d61a709d7a35865d39a277407788f696c66581ce78b4d39c78bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70d71fe6f401ef9c61d1c2baf9485137706b8ff0e77c705717e41ebb0bbf586a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-31T09:26:14Z",
    "title_canon_sha256": "751a682df8b6e86217e0efda95d02877e3bf49ad8b59e68dde6d037340782e89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.16927",
    "kind": "arxiv",
    "version": 1
  }
}