Pith Number

pith:QRJ6HNAZ

pith:2022:QRJ6HNAZ3REKH5U4BYXP6LPM5X

not attested not anchored not stored refs pending

Place & Play SERS: sample collection and preparation-free surface-enhanced Raman spectroscopy

Hiroki Segawa, Keisuke Goda, Kotaro Hiramatsu, Machiko Marumi, Pablo Martinez Pancorbo, Ting-Hui Xiao, William Yang, Yasutaka Kitahama

arxiv:2212.12730 v2 · 2022-12-24 · 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{QRJ6HNAZ3REKH5U4BYXP6LPM5X}

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	2026-07-05T05:38:46.059659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8453e3b419dc48a3f69c0e2eff2deceddbc5d251b4ac585491a10d49b55fe4fc

Aliases

arxiv: 2212.12730 · arxiv_version: 2212.12730v2 · doi: 10.48550/arxiv.2212.12730 · pith_short_12: QRJ6HNAZ3REK · pith_short_16: QRJ6HNAZ3REKH5U4 · pith_short_8: QRJ6HNAZ

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/QRJ6HNAZ3REKH5U4BYXP6LPM5X \
  | 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: 8453e3b419dc48a3f69c0e2eff2deceddbc5d251b4ac585491a10d49b55fe4fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "052a52b4625ff7b2752172da3840ff3be7f156b4f738d37241155ce5ef2099d3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2022-12-24T12:52:04Z",
    "title_canon_sha256": "fd54120ae81062d67655623c312d37e7263b81d6e7c847f5e6cc024977cdfc81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.12730",
    "kind": "arxiv",
    "version": 2
  }
}