Pith Number

pith:YE3CD42E

pith:2018:YE3CD42EIZK43E6BWVYHCZSTTT

not attested not anchored not stored refs pending

Ungerminated Rice Grains Observed by Femtosecond Pulse Laser Second-Harmonic Generation Microscopy

Akira Matsubara, Goro Mizutani, K. T. T. Hien, Shogo Takahashi, Yanrong Li, Yasunori Nakamura, Yue Zhao

arxiv:1808.05449 v1 · 2018-08-16 · physics.bio-ph · physics.app-ph · physics.chem-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{YE3CD42EIZK43E6BWVYHCZSTTT}

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	2026-05-18T00:07:56.944038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c13621f3444655cd93c1b5707166539cd0f4e00dd7d8ae1226baa1eba3912ef6

Aliases

arxiv: 1808.05449 · arxiv_version: 1808.05449v1 · doi: 10.48550/arxiv.1808.05449 · pith_short_12: YE3CD42EIZK4 · pith_short_16: YE3CD42EIZK43E6B · pith_short_8: YE3CD42E

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/YE3CD42EIZK43E6BWVYHCZSTTT \
  | 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: c13621f3444655cd93c1b5707166539cd0f4e00dd7d8ae1226baa1eba3912ef6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5af4fcd271ead63272f487c9bef42c5417adaad7f97288497502d303f899646f",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2018-08-16T12:43:05Z",
    "title_canon_sha256": "04f2daa81345a9c480328c48c19658598263fb83fdef9350210509608a378af5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05449",
    "kind": "arxiv",
    "version": 1
  }
}