Pith Number

pith:JIYHCPBB

pith:2015:JIYHCPBBPCBC5T7RPSEGSI3Z2O

not attested not anchored not stored refs pending

Two-phonon Raman bands of bilayer graphene: revisited

Valentin N. Popov

arxiv:1504.04980 v2 · 2015-04-20 · 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{JIYHCPBBPCBC5T7RPSEGSI3Z2O}

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	2026-05-18T02:07:26.280129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a30713c2178822ecff17c88692379d3ac6774216410b71a103e6c0004205829

Aliases

arxiv: 1504.04980 · arxiv_version: 1504.04980v2 · doi: 10.48550/arxiv.1504.04980 · pith_short_12: JIYHCPBBPCBC · pith_short_16: JIYHCPBBPCBC5T7R · pith_short_8: JIYHCPBB

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/JIYHCPBBPCBC5T7RPSEGSI3Z2O \
  | 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: 4a30713c2178822ecff17c88692379d3ac6774216410b71a103e6c0004205829

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d81646cfb0ca40ee3bbc592c86d5208392a1e6215ee4d48124dffbecd77502f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2015-04-20T09:08:18Z",
    "title_canon_sha256": "0352cad18209f16dc69f89653924e2d75c57062c6e606610d755c0344c9ff776"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04980",
    "kind": "arxiv",
    "version": 2
  }
}