Pith Number

pith:QEX4NGVP

pith:2019:QEX4NGVP45HRDFOC3YBX365XYU

not attested not anchored not stored refs pending

A Universal Length-Dependent Vibrational Mode in Graphene Nanoribbons

Akimitsu Narita, Colin Daniels, Gabriela Borin Barin, Jan Overbeck, Klaus M\"ullen, Marta De Luca, Michel Calame, Mickael L. Perrin, Oliver Braun, Pascal Ruffieux, Qiang Sun, Rimah Darawish, Roman Fasel, Tim Dumslaff, Vincent Meunier, Xiao-Ye Wang

arxiv:1912.06834 v1 · 2019-12-14 · cond-mat.mes-hall · 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{QEX4NGVP45HRDFOC3YBX365XYU}

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	2026-07-05T00:26:14.828402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

812fc69aafe74f1195c2de037dfbb7c537c5e7eb270ee4ceaaaf5ae20c6590aa

Aliases

arxiv: 1912.06834 · arxiv_version: 1912.06834v1 · doi: 10.48550/arxiv.1912.06834 · pith_short_12: QEX4NGVP45HR · pith_short_16: QEX4NGVP45HRDFOC · pith_short_8: QEX4NGVP

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/QEX4NGVP45HRDFOC3YBX365XYU \
  | 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: 812fc69aafe74f1195c2de037dfbb7c537c5e7eb270ee4ceaaaf5ae20c6590aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2492cc4cc22ff6b314732268f485c755fed0108236c798dab81d81a33fe3009b",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-12-14T12:49:54Z",
    "title_canon_sha256": "246f8bea523a922d35a825f7927269515eba8c48929ecd736ef3a08a5d9cc68e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.06834",
    "kind": "arxiv",
    "version": 1
  }
}