Pith Number

pith:L42IG4S5

pith:2010:L42IG4S5XDEEZFJLCRYB5NWTDN

not attested not anchored not stored refs pending

Femtosecond Pump-Probe Studies of Reduced Graphene Oxide Thin Films

Brian A. Ruzicka, Hui Zhao, Kian Ping Loh, Lalani K. Werake, Shuai Wang

arxiv:1003.1972 v2 · 2010-03-09 · cond-mat.mes-hall · cond-mat.mtrl-sci · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L42IG4S5XDEEZFJLCRYB5NWTDN}

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	2026-05-18T02:08:35.768500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f3483725db8c84c952b14701eb6d31b4d3d0ed56ba723a5831800f1fa2e798d

Aliases

arxiv: 1003.1972 · arxiv_version: 1003.1972v2 · doi: 10.48550/arxiv.1003.1972 · pith_short_12: L42IG4S5XDEE · pith_short_16: L42IG4S5XDEEZFJL · pith_short_8: L42IG4S5

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/L42IG4S5XDEEZFJLCRYB5NWTDN \
  | 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: 5f3483725db8c84c952b14701eb6d31b4d3d0ed56ba723a5831800f1fa2e798d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9697fddec3056a892833a932bb1541b244896cc7d20335aa68b33704bc257bd",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2010-03-09T20:24:57Z",
    "title_canon_sha256": "40f1f4446c79c2c9fb67b44e1e0c21b7611d4542d61211b49695fd57ce04ba64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1972",
    "kind": "arxiv",
    "version": 2
  }
}