Pith Number

pith:4WRL4OYH

pith:2012:4WRL4OYHH55YL5G2E7P24RPXXD

not attested not anchored not stored refs pending

Raman spectroscopy of graphene and bilayer under biaxial strain: bubbles and balloons

Andre K. Geim, Anna Ott, Cinzia Casiraghi, Jakob Zabel, Kostya S. Novoselov, Rahul R. Nair, Thanasis Georgiou

arxiv:1201.1454 v1 · 2012-01-06 · 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{4WRL4OYHH55YL5G2E7P24RPXXD}

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	2026-05-18T04:05:04.633660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5a2be3b073f7b85f4da27dfae45f7b8dda218522bd382605aedeaf9621c3f05

Aliases

arxiv: 1201.1454 · arxiv_version: 1201.1454v1 · doi: 10.48550/arxiv.1201.1454 · pith_short_12: 4WRL4OYHH55Y · pith_short_16: 4WRL4OYHH55YL5G2 · pith_short_8: 4WRL4OYH

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/4WRL4OYHH55YL5G2E7P24RPXXD \
  | 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: e5a2be3b073f7b85f4da27dfae45f7b8dda218522bd382605aedeaf9621c3f05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89da84094a4be271ce3dde73c6371fb74596e5a5e21869f54ee87064ecd61cd1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2012-01-06T17:20:12Z",
    "title_canon_sha256": "ad15ad5a6a17fd8e24619582d05a230b960d2bf46e9fa56f51bc82c4f1478dc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1454",
    "kind": "arxiv",
    "version": 1
  }
}