Pith Number

pith:IRKWZO3B

pith:2009:IRKWZO3BAUQVHL2CNS32XTJ6Q2

not attested not anchored not stored refs pending

Effect of Coulomb interactions on the optical properties of doped graphene

Adolfo G. Grushin, Belen Valenzuela, Maria A. H. Vozmediano

arxiv:0907.0118 v1 · 2009-07-01 · 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{IRKWZO3BAUQVHL2CNS32XTJ6Q2}

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	2026-05-18T03:23:59.054217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44556cbb61052153af426cb7abcd3e86ae2cab16178461bc2cdc60c55273e492

Aliases

arxiv: 0907.0118 · arxiv_version: 0907.0118v1 · doi: 10.48550/arxiv.0907.0118 · pith_short_12: IRKWZO3BAUQV · pith_short_16: IRKWZO3BAUQVHL2C · pith_short_8: IRKWZO3B

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/IRKWZO3BAUQVHL2CNS32XTJ6Q2 \
  | 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: 44556cbb61052153af426cb7abcd3e86ae2cab16178461bc2cdc60c55273e492

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c955476b798076ccdcfbe998297966b04e68b5c8e10ec5c02a7a3c9402128df5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-07-01T11:08:01Z",
    "title_canon_sha256": "3f9079062ca62ed3b4349a49077c9cd56d4e8dc3bdfbf4071204e8c52c07779c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0118",
    "kind": "arxiv",
    "version": 1
  }
}