Pith Number

pith:FBJBC4GW

pith:2015:FBJBC4GWVD4LW2A422H46RJBXZ

not attested not anchored not stored refs pending

Label-free characterization of white blood cells by measuring 3D refractive index maps

Chulhee Choi, HyunJoo Park, Jonghee Yoon, Kyoohyun Kim, Seongsoo Jang, YongKeun Park

arxiv:1505.02609 v1 · 2015-05-11 · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FBJBC4GWVD4LW2A422H46RJBXZ}

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	2026-05-18T02:16:12.117922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28521170d6a8f8bb681cd68fcf4521be6157486ae45e7290253924460923a71f

Aliases

arxiv: 1505.02609 · arxiv_version: 1505.02609v1 · doi: 10.48550/arxiv.1505.02609 · pith_short_12: FBJBC4GWVD4L · pith_short_16: FBJBC4GWVD4LW2A4 · pith_short_8: FBJBC4GW

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/FBJBC4GWVD4LW2A422H46RJBXZ \
  | 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: 28521170d6a8f8bb681cd68fcf4521be6157486ae45e7290253924460923a71f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "072655b5397c2f31f424a2eec19ef5379044f19d428fe09e3280609eb54e0995",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2015-05-11T13:38:30Z",
    "title_canon_sha256": "83aa14c5aab3b53b78d5527ae5e03680c6471d5d4381886af49430585fff9897"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02609",
    "kind": "arxiv",
    "version": 1
  }
}