Pith Number

pith:4XR6DYQG

pith:2011:4XR6DYQGTBIO22VCEVCSTRGZTP

not attested not anchored not stored refs pending

Quasiparticle and Optical Spectroscopy of Organic Semiconductors Pentacene and PTCDA from First Principles

Ariel Biller, Jeffrey B. Neaton, Leeor Kronik, Sahar Sharifzadeh

arxiv:1110.4928 v2 · 2011-10-21 · cond-mat.mtrl-sci · physics.chem-ph · physics.comp-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{4XR6DYQGTBIO22VCEVCSTRGZTP}

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	2026-05-18T03:43:42.466425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5e3e1e2069850ed6aa2254529c4d99bc32fb04109bfe6af770b5ecc08556e41

Aliases

arxiv: 1110.4928 · arxiv_version: 1110.4928v2 · doi: 10.48550/arxiv.1110.4928 · pith_short_12: 4XR6DYQGTBIO · pith_short_16: 4XR6DYQGTBIO22VC · pith_short_8: 4XR6DYQG

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/4XR6DYQGTBIO22VCEVCSTRGZTP \
  | 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: e5e3e1e2069850ed6aa2254529c4d99bc32fb04109bfe6af770b5ecc08556e41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc4ccfca157afc8c5633ca8adf3424184b62e75d0c14b330c4de98dc598bcd7e",
    "cross_cats_sorted": [
      "physics.chem-ph",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-10-21T23:20:59Z",
    "title_canon_sha256": "fec3161c663aac26d9b1787e17e9d880b1cac9dd4239d1bd5bb1ad398ee76f95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4928",
    "kind": "arxiv",
    "version": 2
  }
}