Pith Number

pith:L2SW6ZVA

pith:2020:L2SW6ZVAYWO6QNVXQOSU5XBPHU

not attested not anchored not stored refs pending

Tuning the optical bandgap in hybrid layered perovskites through variation of alkyl chain length

Alexander S. Urban, Annick Hemmerling, Carlos Cardenas Daw, Jasmina A. Sichert, Jochen Feldmann

arxiv:2010.14403 v1 · 2020-10-27 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L2SW6ZVAYWO6QNVXQOSU5XBPHU}

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	2026-07-05T01:46:34.573329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ea56f66a0c59de836b783a54edc2f3d31480143efb7a3fa46d0f5b719dca7fb

Aliases

arxiv: 2010.14403 · arxiv_version: 2010.14403v1 · doi: 10.48550/arxiv.2010.14403 · pith_short_12: L2SW6ZVAYWO6 · pith_short_16: L2SW6ZVAYWO6QNVX · pith_short_8: L2SW6ZVA

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/L2SW6ZVAYWO6QNVXQOSU5XBPHU \
  | 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: 5ea56f66a0c59de836b783a54edc2f3d31480143efb7a3fa46d0f5b719dca7fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5dcf706d75a74dab06d3ec786f5194f00ff64d77be2f4803cb0009484ac3031",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2020-10-27T16:11:39Z",
    "title_canon_sha256": "2f47c9fa67f02bfddb1559a91b33a9e83b856daddad926bd9d67683e2edc76bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.14403",
    "kind": "arxiv",
    "version": 1
  }
}