Pith Number

pith:HEFPEL4F

pith:2018:HEFPEL4FODJVD3FKVUDT7DZXWK

not attested not anchored not stored refs pending

Multispectral Focal Stack Acquisition Using A Chromatic Aberration Enlarged Camera

Jinli Suo, Linsen Chen, Qian Huang, Tao Yue, Xiaoming Zhong, Xun Cao, Yunqian Li, Zhan Ma

arxiv:1802.08805 v1 · 2018-02-24 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HEFPEL4FODJVD3FKVUDT7DZXWK}

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	2026-05-18T00:22:36.388025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

390af22f8570d351ecaaad073f8f37b28fdf4b42d547ce19d9927ade39e8aa6a

Aliases

arxiv: 1802.08805 · arxiv_version: 1802.08805v1 · doi: 10.48550/arxiv.1802.08805 · pith_short_12: HEFPEL4FODJV · pith_short_16: HEFPEL4FODJVD3FK · pith_short_8: HEFPEL4F

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/HEFPEL4FODJVD3FKVUDT7DZXWK \
  | 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: 390af22f8570d351ecaaad073f8f37b28fdf4b42d547ce19d9927ade39e8aa6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c18922927c05ee8432e311cdd4d4b8b9de5b279c8f8b03cf0f22f6bf61d9eec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2018-02-24T05:52:22Z",
    "title_canon_sha256": "736fe53a6b59c39383c9f2b46b5e6227d2d5c04c34706ac14f88978a766dee83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08805",
    "kind": "arxiv",
    "version": 1
  }
}