Pith Number

pith:E4X42C5E

pith:2019:E4X42C5EY6L6LDFMNR23RBBHEU

not attested not anchored not stored refs pending

Label-free biochemical quantitative phase imaging with mid-infrared photothermal effect

Hiroyuki Shimada, Keiichiro Toda, Kohki Okabe, Masaharu Takarada, Miu Tamamitsu, Ryoichi Horisaki, Takaaki Honda, Takuro Ideguchi, Yu Nagashima

arxiv:1912.04049 v1 · 2019-12-05 · physics.bio-ph · 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{E4X42C5EY6L6LDFMNR23RBBHEU}

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	2026-07-05T10:58:11.294406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

272fcd0ba4c797e58cac6c75b88427251c64d8fcbedc0603cffd71be72ec0d79

Aliases

arxiv: 1912.04049 · arxiv_version: 1912.04049v1 · doi: 10.48550/arxiv.1912.04049 · pith_short_12: E4X42C5EY6L6 · pith_short_16: E4X42C5EY6L6LDFM · pith_short_8: E4X42C5E

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/E4X42C5EY6L6LDFMNR23RBBHEU \
  | 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: 272fcd0ba4c797e58cac6c75b88427251c64d8fcbedc0603cffd71be72ec0d79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3b395c1f770c9ccab8bb396073f6b1b9c517ef78c07f8ffeb2eda74737e20de",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2019-12-05T07:32:30Z",
    "title_canon_sha256": "83cf328ff5528d082fd0b3c4ac224b0cadd7aeb2180400015ca38438ca5cbf38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.04049",
    "kind": "arxiv",
    "version": 1
  }
}