Pith Number

pith:YDWVYNFT

pith:2018:YDWVYNFTKFO2ZXF3LBG363LR5H

not attested not anchored not stored refs pending

Nonlinear optics of graphene and other 2D materials in layered structures

C. Guo, J. E. Sipe, J. L. Cheng, N. Vermeulen

arxiv:1808.02954 v1 · 2018-08-08 · physics.optics · 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{YDWVYNFTKFO2ZXF3LBG363LR5H}

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	2026-05-17T23:57:31.553903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0ed5c34b3515dacdcbb584dbf6d71e9d02d3b14ce77268dfea4179b1e9071a3

Aliases

arxiv: 1808.02954 · arxiv_version: 1808.02954v1 · doi: 10.48550/arxiv.1808.02954 · pith_short_12: YDWVYNFTKFO2 · pith_short_16: YDWVYNFTKFO2ZXF3 · pith_short_8: YDWVYNFT

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/YDWVYNFTKFO2ZXF3LBG363LR5H \
  | 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: c0ed5c34b3515dacdcbb584dbf6d71e9d02d3b14ce77268dfea4179b1e9071a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b1a92c53d0d61d99ace5edb01301b574e57fc6ebce90cdb33699b98eea106aa",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-08-08T22:21:21Z",
    "title_canon_sha256": "65b3633c8c7a486554ec02f01fbc2c132efaa6c4e5a4635b235d711b0ad1b35a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02954",
    "kind": "arxiv",
    "version": 1
  }
}