Pith Number

pith:A7ULHUS2

pith:2019:A7ULHUS2XHXVC6UVAN2A3BWQQB

not attested not anchored not stored refs pending

Micro-Structuring, Ablation and Defect Generation in Graphene with Femtosecond Pulses

Andres Vasquez, Junjie Zeng, Michelle Y Sander, Panagis Samolis

arxiv:1903.05039 v1 · 2019-03-01 · 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{A7ULHUS2XHXVC6UVAN2A3BWQQB}

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	2026-05-17T23:51:26.468790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07e8b3d25ab9ef517a9503740d86d08041b5b8d24bdcba8596d2b93f166534be

Aliases

arxiv: 1903.05039 · arxiv_version: 1903.05039v1 · doi: 10.48550/arxiv.1903.05039 · pith_short_12: A7ULHUS2XHXV · pith_short_16: A7ULHUS2XHXVC6UV · pith_short_8: A7ULHUS2

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/A7ULHUS2XHXVC6UVAN2A3BWQQB \
  | 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: 07e8b3d25ab9ef517a9503740d86d08041b5b8d24bdcba8596d2b93f166534be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "897fcb4f0204c9f1b1c05cf94c466c1424aa7622a361bc21e82c2a44a96373e3",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-03-01T04:41:11Z",
    "title_canon_sha256": "af1dc8bfe0fc75b418542be6d1bfd1c623f51f80ff1427e9b0a9fd50bf2e47e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05039",
    "kind": "arxiv",
    "version": 1
  }
}