Pith Number

pith:2EFNA7DC

pith:2011:2EFNA7DCHDPNVEWNCS2PMC7GO7

not attested not anchored not stored refs pending

Infrared signatures of high carrier densities induced in semiconducting poly(3-hexylthiophene) by fluorinated organosilane molecules

Alan J. Heeger, Bumsu Lee, Dimitri N. Basov, Jonathan D. Yuen, Massimiliano Di Ventra, Omar Khatib, Vitaly Podzorov, Zhiqiang Li

arxiv:1109.0327 v1 · 2011-09-01 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2EFNA7DCHDPNVEWNCS2PMC7GO7}

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	2026-05-18T04:14:15.980794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d10ad07c6238deda92cd14b4f60be677ce69eddacb598e14e01b5bfa8198780d

Aliases

arxiv: 1109.0327 · arxiv_version: 1109.0327v1 · doi: 10.48550/arxiv.1109.0327 · pith_short_12: 2EFNA7DCHDPN · pith_short_16: 2EFNA7DCHDPNVEWN · pith_short_8: 2EFNA7DC

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/2EFNA7DCHDPNVEWNCS2PMC7GO7 \
  | 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: d10ad07c6238deda92cd14b4f60be677ce69eddacb598e14e01b5bfa8198780d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a2ed87f1c3bba2db5b10372519310158a871197edfb2681ac1770d6f4c03992",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-09-01T23:39:47Z",
    "title_canon_sha256": "c12a7f284c36b0e3275902ad34b0cd6d835aaa7001ff1f7317d9b67c79b082db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0327",
    "kind": "arxiv",
    "version": 1
  }
}