Pith Number

pith:DJQJ2FLY

pith:2023:DJQJ2FLYC4ZHP5SJM27S4VMJ5T

not attested not anchored not stored refs pending

Augmented smartphone bilirubinometer enabled by a mobile app that turns smartphone into multispectral imager

Qinghua He, Ruikang K Wang, Wanyu Li, Wenqian Geng, Yaping Shi, Yi Yu, Yi Zhang, Zhiyuan Sun

arxiv:2303.02277 v1 · 2023-03-04 · 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{DJQJ2FLYC4ZHP5SJM27S4VMJ5T}

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	2026-07-05T05:48:09.157849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a609d1578173277f64966bf2e5589ecfd092d7086592497fd547d90ab8322d5

Aliases

arxiv: 2303.02277 · arxiv_version: 2303.02277v1 · doi: 10.48550/arxiv.2303.02277 · pith_short_12: DJQJ2FLYC4ZH · pith_short_16: DJQJ2FLYC4ZHP5SJ · pith_short_8: DJQJ2FLY

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/DJQJ2FLYC4ZHP5SJM27S4VMJ5T \
  | 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: 1a609d1578173277f64966bf2e5589ecfd092d7086592497fd547d90ab8322d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c9090322a03f4f4b4c273a0b7707d23dec11912a68b83356b84c466750d3f0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2023-03-04T00:33:58Z",
    "title_canon_sha256": "7c9df0465d59e17cf37757ea5a65f593e04ff5a47bf6ecae8e3f5d361a59cd74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.02277",
    "kind": "arxiv",
    "version": 1
  }
}