Pith Number

pith:UNMRROO2

pith:2011:UNMRROO2GVZVV7WL2IYLQW2YFV

not attested not anchored not stored refs pending

Optical selection rules of graphene nanoribbons

C. P. Chang, H. C. Chung, M. F. Lin, M. H. Lee

arxiv:1104.2688 v1 · 2011-04-14 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UNMRROO2GVZVV7WL2IYLQW2YFV}

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	2026-05-18T04:09:45.766693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a35918b9da35735afecbd230b85b582d5e4bca1de1e1df679cfeabfd6368c8ce

Aliases

arxiv: 1104.2688 · arxiv_version: 1104.2688v1 · doi: 10.48550/arxiv.1104.2688 · pith_short_12: UNMRROO2GVZV · pith_short_16: UNMRROO2GVZVV7WL · pith_short_8: UNMRROO2

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/UNMRROO2GVZVV7WL2IYLQW2YFV \
  | 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: a35918b9da35735afecbd230b85b582d5e4bca1de1e1df679cfeabfd6368c8ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bf90b7e32257a2d557aab7117961384a7c90ceca49161be1454b679842d7328",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2011-04-14T08:03:59Z",
    "title_canon_sha256": "fd4fafdb6e1eca49dce202740d6e3a5c4c780ca408b1e72f32e9eafe652b1755"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2688",
    "kind": "arxiv",
    "version": 1
  }
}