Pith Number

pith:7QRU6HO7

pith:2019:7QRU6HO7TVEYJXTXIJNY7PA7IF

not attested not anchored not stored refs pending

Nuclear quantum effects in graphene bilayers

Carlos P. Herrero, Rafael Ramirez

arxiv:1906.06266 v1 · 2019-06-14 · 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{7QRU6HO7TVEYJXTXIJNY7PA7IF}

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	2026-05-17T23:43:19.164916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc234f1ddf9d4984de77425b8fbc1f4151685846ca0530b99c9abaeab39a17c1

Aliases

arxiv: 1906.06266 · arxiv_version: 1906.06266v1 · doi: 10.48550/arxiv.1906.06266 · pith_short_12: 7QRU6HO7TVEY · pith_short_16: 7QRU6HO7TVEYJXTX · pith_short_8: 7QRU6HO7

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/7QRU6HO7TVEYJXTXIJNY7PA7IF \
  | 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: fc234f1ddf9d4984de77425b8fbc1f4151685846ca0530b99c9abaeab39a17c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c21d1e31eadc9b2161c046075e8d05706e8c0a2db20261a2c88e30cfd2abe13c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-06-14T16:06:32Z",
    "title_canon_sha256": "025b5b30ec84d61f207c072715e84d4b9702b7e3b62ba24c2e38c36232afac24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06266",
    "kind": "arxiv",
    "version": 1
  }
}