Pith Number

pith:S43GCUVK

pith:2016:S43GCUVKFJPLZA436KAVESLEYA

not attested not anchored not stored refs pending

Look into My Eyes: Fine-grained Detection of Face-screen Distance on Smartphones

Kaigui Bian, Weijie Chen, Zhenyi Li, Zhuqi Li

arxiv:1612.04131 v1 · 2016-12-13 · cs.NI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S43GCUVKFJPLZA436KAVESLEYA}

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	2026-05-18T00:55:05.421925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97366152aa2a5ebc839bf281524964c02e9b8c92b0b5f697edd82462115aec15

Aliases

arxiv: 1612.04131 · arxiv_version: 1612.04131v1 · doi: 10.48550/arxiv.1612.04131 · pith_short_12: S43GCUVKFJPL · pith_short_16: S43GCUVKFJPLZA43 · pith_short_8: S43GCUVK

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/S43GCUVKFJPLZA436KAVESLEYA \
  | 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: 97366152aa2a5ebc839bf281524964c02e9b8c92b0b5f697edd82462115aec15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e63c66471d096a2f8a81007a2350fdf7f15810f62d337d782f2b1e300b02794c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2016-12-13T12:54:45Z",
    "title_canon_sha256": "d900909712436274414d156056033e2aafe025eae3f4728f531e77ea07d64f82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04131",
    "kind": "arxiv",
    "version": 1
  }
}