Pith Number

pith:KCD7LOAB

pith:2017:KCD7LOABZSWBUJC6XC5TEVDPR2

not attested not anchored not stored refs pending

Raman Spectroscopy of Graphene

Ludger Wirtz, Sven Reichardt

arxiv:1703.06909 v2 · 2017-03-20 · 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{KCD7LOABZSWBUJC6XC5TEVDPR2}

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	2026-05-18T00:48:09.073741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5087f5b801ccac1a245eb8bb32546f8e89aeff7da85d1d058909837a78ebc3fa

Aliases

arxiv: 1703.06909 · arxiv_version: 1703.06909v2 · doi: 10.48550/arxiv.1703.06909 · pith_short_12: KCD7LOABZSWB · pith_short_16: KCD7LOABZSWBUJC6 · pith_short_8: KCD7LOAB

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/KCD7LOABZSWBUJC6XC5TEVDPR2 \
  | 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: 5087f5b801ccac1a245eb8bb32546f8e89aeff7da85d1d058909837a78ebc3fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f289954e4517f01b68cf3ba2bef1be362fadf616c945c503ea78b73b2b684a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2017-03-20T18:21:01Z",
    "title_canon_sha256": "7e585a209b359dc87932684ff00b76c72c2c5d6916672ca6c8208a9f0ba6c66e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06909",
    "kind": "arxiv",
    "version": 2
  }
}