Pith Number

pith:XNNLQQE3

pith:2017:XNNLQQE3BVUUCZLEP752ICLTWD

not attested not anchored not stored refs pending

A Novel Thiophene-fused Ending Group Enabling an Excellent Small Molecule Acceptor for High-performance Fullerene-free Polymer Solar Cells with 11.8% Efficiency

Cheng Zhong, Chuluo Yang, Dongjun Xie, Feng Liu, Kailong Wu, Lijun Huo, Tao Liu, Wei Gao, Wentao Xiong, Yanming Sun, Zhenghui Luo

arxiv:1703.02896 v2 · 2017-03-07 · 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{XNNLQQE3BVUUCZLEP752ICLTWD}

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	2026-05-18T00:48:53.159236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb5ab8409b0d694165647ffba40973b0fcaf664e475874eb41883a48daf8a35b

Aliases

arxiv: 1703.02896 · arxiv_version: 1703.02896v2 · doi: 10.48550/arxiv.1703.02896 · pith_short_12: XNNLQQE3BVUU · pith_short_16: XNNLQQE3BVUUCZLE · pith_short_8: XNNLQQE3

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/XNNLQQE3BVUUCZLEP752ICLTWD \
  | 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: bb5ab8409b0d694165647ffba40973b0fcaf664e475874eb41883a48daf8a35b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d563998a698f90d4f8985e04984ee30dbd8e7dd88dcfe159e43b59de786db766",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2017-03-07T02:36:39Z",
    "title_canon_sha256": "e8fd051c507891eb115304907165e5870c513542d9d4316d54a0cd9ecc54332c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02896",
    "kind": "arxiv",
    "version": 2
  }
}