Pith Number

pith:4HQGPWNE

pith:2020:4HQGPWNEOYWAWRUXZ6EVVFHWNL

not attested not anchored not stored refs pending

Substrate-Independent Growth of Atomically Precise Chiral Graphene Nanoribbons

Aran Garcia-Lekue, Celia Rogero, Diego Pe\~na, Dimas G. de Oteyza, Eduard Carbonell-Sanrom\`a, Enrique Guitian, Guillaume Vasseur, J. Enrique Ortega, Jose Ignacio Pascua, Manuel Vilas-Varela, Martina Corso, Nestor Merino, Yutaka Wakayama

arxiv:2012.00491 v1 · 2020-12-01 · 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{4HQGPWNEOYWAWRUXZ6EVVFHWNL}

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	2026-07-05T01:56:17.043351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1e067d9a4762c0b4697cf895a94f66ac4b51f8a8e2ad46b7a2cc2e01670cd8c

Aliases

arxiv: 2012.00491 · arxiv_version: 2012.00491v1 · doi: 10.48550/arxiv.2012.00491 · pith_short_12: 4HQGPWNEOYWA · pith_short_16: 4HQGPWNEOYWAWRUX · pith_short_8: 4HQGPWNE

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/4HQGPWNEOYWAWRUXZ6EVVFHWNL \
  | 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: e1e067d9a4762c0b4697cf895a94f66ac4b51f8a8e2ad46b7a2cc2e01670cd8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b521b4b34020cf26fb7bda7bc2558c32a71aef49b696f6c9bdafce612a6e6e09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2020-12-01T13:57:15Z",
    "title_canon_sha256": "f05b6e8f4f4db6dacc60c4d770bec936b51c56dbda71c3f4d649e594d2b5d29d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.00491",
    "kind": "arxiv",
    "version": 1
  }
}