Pith Number

pith:W4CB73QX

pith:2009:W4CB73QXT3UOADO75YT22HCHDM

not attested not anchored not stored refs pending

Optical spectroscopy of two-dimensional layered $(C_{6}H_{5}C_{2}H_{4}-NH_{3})_{2}-PbI_{4}$ perovskite

A. Al Choueiry, A. Brehier, E. Deleporte, G. Lanty, J. Bloch, J. S. Lauret, K. Gauthron, L. Doyennette, L. Largeau, O. Mauguin, S.J. Zhang

arxiv:0908.4396 v1 · 2009-08-30 · cond-mat.mtrl-sci · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W4CB73QXT3UOADO75YT22HCHDM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:12:12.946899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7041fee179ee8e00ddfee27ad1c471b174e6e9c919bd0e85cfdb84393a4c5f3

Aliases

arxiv: 0908.4396 · arxiv_version: 0908.4396v1 · doi: 10.48550/arxiv.0908.4396 · pith_short_12: W4CB73QXT3UO · pith_short_16: W4CB73QXT3UOADO7 · pith_short_8: W4CB73QX

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/W4CB73QXT3UOADO75YT22HCHDM \
  | 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: b7041fee179ee8e00ddfee27ad1c471b174e6e9c919bd0e85cfdb84393a4c5f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4bba98f2a1f5c47917974f2697e8a8d0ae0c7b1e07bb0893386c85646391fe4",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-08-30T14:35:43Z",
    "title_canon_sha256": "cbaab4744d7892a50907c370f9d633996d986e5ca795e82ac9f24c612363bdad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4396",
    "kind": "arxiv",
    "version": 1
  }
}