Pith Number

pith:32BC554U

pith:2009:32BC554U4OYUGGWPJER4YL5C7E

not attested not anchored not stored refs pending

First-Principles Study of Substitutional Metal Impurities in Graphene: Structural, Electronic and Magnetic Properties

Andres Ayuela, Daniel Sanchez-Portal, Elton J. G. Santos

arxiv:0910.0400 v1 · 2009-10-02 · cond-mat.mes-hall · 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{32BC554U4OYUGGWPJER4YL5C7E}

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	2026-05-18T02:11:34.936929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de822ef794e3b1431acf4923cc2fa2f92da86e495e227f4722c186071e15b0dc

Aliases

arxiv: 0910.0400 · arxiv_version: 0910.0400v1 · doi: 10.48550/arxiv.0910.0400 · pith_short_12: 32BC554U4OYU · pith_short_16: 32BC554U4OYUGGWP · pith_short_8: 32BC554U

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/32BC554U4OYUGGWPJER4YL5C7E \
  | 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: de822ef794e3b1431acf4923cc2fa2f92da86e495e227f4722c186071e15b0dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0ba5b0e0579a3ee2f4f9313774aec23e71fffa78fab0636e8f1d676b5f4a5f4",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-10-02T14:38:33Z",
    "title_canon_sha256": "0855f512e8ae041f918e67ad960a106e64daa0f5e58d7a1f21866901af386275"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0400",
    "kind": "arxiv",
    "version": 1
  }
}