Pith Number

pith:WKIVOIVU

pith:2017:WKIVOIVUV3A2GUHD62BJ2KGL7S

not attested not anchored not stored refs pending

Fast and High Quality Light Field Acquisition using Defocus Modulation

Guohai Situ, Haichao Wang, Jingdan Liu, Ni Chen

arxiv:1705.09775 v1 · 2017-05-27 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKIVOIVUV3A2GUHD62BJ2KGL7S}

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	2026-05-18T00:15:21.929965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2915722b4aec1a350e3f6829d28cbfcb4d33653200dbcad927880e7b630184d

Aliases

arxiv: 1705.09775 · arxiv_version: 1705.09775v1 · doi: 10.48550/arxiv.1705.09775 · pith_short_12: WKIVOIVUV3A2 · pith_short_16: WKIVOIVUV3A2GUHD · pith_short_8: WKIVOIVU

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/WKIVOIVUV3A2GUHD62BJ2KGL7S \
  | 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: b2915722b4aec1a350e3f6829d28cbfcb4d33653200dbcad927880e7b630184d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "239a5a322636818b326ae9b5ad8876269bb7b9b31e50547fa6724c499e323ee8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-05-27T06:43:31Z",
    "title_canon_sha256": "62b9ad02b396f0404a21bfc057131c8b9beb65139ad6dcb5d70b846233fdc801"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09775",
    "kind": "arxiv",
    "version": 1
  }
}