Pith Number

pith:5TNAZ2IH

pith:2018:5TNAZ2IHOE6D6FMCLD7O7Q63LX

not attested not anchored not stored refs pending

Determining the True Optical Gap in a High-Performance Organic Photovoltaic Polymer Using Single-Molecule Spectroscopy

Florian Steiner, Gordon J. Hedley, Jan Vogelsang, John M. Lupton

arxiv:1802.04570 v1 · 2018-02-13 · physics.chem-ph · physics.app-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{5TNAZ2IHOE6D6FMCLD7O7Q63LX}

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	2026-05-18T00:23:42.090803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecda0ce907713c3f158258feefc3db5de8d6ff6e47aaf83d1bdb8b4730056cb3

Aliases

arxiv: 1802.04570 · arxiv_version: 1802.04570v1 · doi: 10.48550/arxiv.1802.04570 · pith_short_12: 5TNAZ2IHOE6D · pith_short_16: 5TNAZ2IHOE6D6FMC · pith_short_8: 5TNAZ2IH

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/5TNAZ2IHOE6D6FMCLD7O7Q63LX \
  | 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: ecda0ce907713c3f158258feefc3db5de8d6ff6e47aaf83d1bdb8b4730056cb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "970b62c6a54be01093b3d5e4929e631fe2c25cbd9a9228e3f86b02b5d5ffb91f",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-02-13T11:32:51Z",
    "title_canon_sha256": "1f701525b0bdd14db5eb69d25a7b54e18211598664b0d42a91b28ed9763659e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04570",
    "kind": "arxiv",
    "version": 1
  }
}