Pith Number

pith:PSY266UW

pith:2013:PSY266UWOAHKL3GGM4EW63457Z

not attested not anchored not stored refs pending

Non-destructive and Rapid Evaluation of CVD Graphene by Dark Field Optical Microscopy

Ariel Ismach, Carl W. Magnuson, Cheng Tan, Harry Chou, Hengxing Ji, Huifeng Li, Richard D. Piner, Rodney S. Ruoff, Xianghua Kong

arxiv:1305.5754 v1 · 2013-05-24 · 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{PSY266UWOAHKL3GGM4EW63457Z}

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	2026-05-18T03:25:03.278043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cb1af7a96700ea5ecc667096f6f9dfe6496c6964d6af7b6f1907c21e9a71ac7

Aliases

arxiv: 1305.5754 · arxiv_version: 1305.5754v1 · doi: 10.48550/arxiv.1305.5754 · pith_short_12: PSY266UWOAHK · pith_short_16: PSY266UWOAHKL3GG · pith_short_8: PSY266UW

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/PSY266UWOAHKL3GGM4EW63457Z \
  | 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: 7cb1af7a96700ea5ecc667096f6f9dfe6496c6964d6af7b6f1907c21e9a71ac7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d41caffb6b97cf438b525dec3ecb680801875e0745b4fdfba55d43db429e330d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-05-24T14:42:18Z",
    "title_canon_sha256": "7f270a878c65e0685d2e4c04a608a760fd121847b7239d54a31874170e7301a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5754",
    "kind": "arxiv",
    "version": 1
  }
}