Pith Number

pith:WTC2NY5P

pith:2018:WTC2NY5PSO24LYUEY2JGLBQLAN

not attested not anchored not stored refs pending

Maskless laser processing of graphene

Fujio Wakaya, Masayuki Abe, Mikio Takai, Nariaki Yurugi, Satoshi Abo, Tadashi Kurihara

arxiv:1812.09839 v1 · 2018-12-24 · physics.app-ph · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTC2NY5PSO24LYUEY2JGLBQLAN}

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	2026-05-17T23:57:26.636934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4c5a6e3af93b5c5e284c69265860b0375b591d2245d018cb2162ca649e9390e

Aliases

arxiv: 1812.09839 · arxiv_version: 1812.09839v1 · doi: 10.48550/arxiv.1812.09839 · pith_short_12: WTC2NY5PSO24 · pith_short_16: WTC2NY5PSO24LYUE · pith_short_8: WTC2NY5P

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/WTC2NY5PSO24LYUEY2JGLBQLAN \
  | 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: b4c5a6e3af93b5c5e284c69265860b0375b591d2245d018cb2162ca649e9390e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9789c023b87d58d0d4c15b8bd2adafb467511b84b4d5930bbaea24db84e1f8ac",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-12-24T05:48:33Z",
    "title_canon_sha256": "1d1b3e4d89413bd473031d7e06a788839f9d078e744c8e000f9527d06131588e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09839",
    "kind": "arxiv",
    "version": 1
  }
}