Pith Number

pith:CMP5DO22

pith:2012:CMP5DO22YYOVGERCNHA7LTMCP4

not attested not anchored not stored refs pending

Comment on: "Revealing common artifacts due to ferromagnetic inclusions in highly oriented pyrolytic graphite", by M. Sepioni, R.R. Nair, I.-Ling Tsai, A.K. Geim and I.V. Grigorieva, EPL 97 (2012) 47001

D. Spemann, H. Ohldag, M. Ramos, M. Rothermel, P. Esquinazi, Y. Kopelevich

arxiv:1204.2992 v1 · 2012-04-13 · cond-mat.str-el · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CMP5DO22YYOVGERCNHA7LTMCP4}

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	2026-05-18T03:53:44.730645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

131fd1bb5ac61d53122269c1f5cd827f0a14052803e53c455579d14573ba0154

Aliases

arxiv: 1204.2992 · arxiv_version: 1204.2992v1 · doi: 10.48550/arxiv.1204.2992 · pith_short_12: CMP5DO22YYOV · pith_short_16: CMP5DO22YYOVGERC · pith_short_8: CMP5DO22

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/CMP5DO22YYOVGERCNHA7LTMCP4 \
  | 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: 131fd1bb5ac61d53122269c1f5cd827f0a14052803e53c455579d14573ba0154

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d06543893cc570d0fca3996a6aa108fb48067b85b283b459cce4f319210bf03c",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2012-04-13T13:47:07Z",
    "title_canon_sha256": "b128ea5c8ff7aca1210fbfd6e26e82e86d67e08efe933d5ae68e1a1001c84106"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2992",
    "kind": "arxiv",
    "version": 1
  }
}