Pith Number

pith:S4V74R7R

pith:2012:S4V74R7RB57AH2QALYB6WPHNW7

not attested not anchored not stored refs pending

Growth from Below: Bilayer Graphene on Copper by Chemical Vapor Deposition

Jiming Bao, Kevin F. McCarty, Qingkai Yu, Shin-Shem Pei, Shirui Xing, Shu Nie, Wei Wu

arxiv:1202.1031 v3 · 2012-02-06 · cond-mat.mtrl-sci

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S4V74R7RB57AH2QALYB6WPHNW7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:58:33.697664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

972bfe47f10f7e03ea005e03eb3cedb7f4f4eca3543c58f2a3b83d69de0ba256

Aliases

arxiv: 1202.1031 · arxiv_version: 1202.1031v3 · doi: 10.48550/arxiv.1202.1031 · pith_short_12: S4V74R7RB57A · pith_short_16: S4V74R7RB57AH2QA · pith_short_8: S4V74R7R

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/S4V74R7RB57AH2QALYB6WPHNW7 \
  | 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: 972bfe47f10f7e03ea005e03eb3cedb7f4f4eca3543c58f2a3b83d69de0ba256

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "786d023763786c9ea64484b8910e3b2067334370186b30e7717ef249adb1b0ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-02-06T01:52:13Z",
    "title_canon_sha256": "2dc135c5a9c3fa375b536c609911f44f00871d9e52c810b98b1133e9ea8e79c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1031",
    "kind": "arxiv",
    "version": 3
  }
}