Pith Number

pith:UTVJK3AS

pith:2009:UTVJK3AS7BN4SJJCOWAURYTLLP

not attested not anchored not stored refs pending

Mild sonochemical exfoliation of bromine-intercalated graphite: a new route towards graphene

D. W. Boukhvalov, E. Widenkvist, H. Grennberg, J. Lu, K. Leifer, M. I. Katsnelson, R. A. Quinlan, S. Akhtar, S. Rubino, U. Jansson

arxiv:0905.4451 v1 · 2009-05-27 · 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{UTVJK3AS7BN4SJJCOWAURYTLLP}

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	2026-07-04T15:42:57.803738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4ea956c12f85bc92522758148e26b5bf924582b5d6f875b85124f07fd3a9b0f

Aliases

arxiv: 0905.4451 · arxiv_version: 0905.4451v1 · doi: 10.48550/arxiv.0905.4451 · pith_short_12: UTVJK3AS7BN4 · pith_short_16: UTVJK3AS7BN4SJJC · pith_short_8: UTVJK3AS

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/UTVJK3AS7BN4SJJCOWAURYTLLP \
  | 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: a4ea956c12f85bc92522758148e26b5bf924582b5d6f875b85124f07fd3a9b0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42c7a2d37387db387be1516b79d539991326284d6409292d77aec7a4a12feff4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-05-27T15:25:36Z",
    "title_canon_sha256": "313424d12a8bf21f682e01e9942afbe437e7bc78c47d6cf4bf7eb43a758da674"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4451",
    "kind": "arxiv",
    "version": 1
  }
}