Pith Number

pith:ED4FJFDU

pith:2018:ED4FJFDURQWGJT2KJDFO55YACU

not attested not anchored not stored refs pending

Gauge invariance of excitonic linear and nonlinear optical response

Alireza Taghizadeh, T. G. Pedersen

arxiv:1804.04869 v1 · 2018-04-13 · cond-mat.mtrl-sci · 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{ED4FJFDURQWGJT2KJDFO55YACU}

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	2026-05-18T00:15:14.562602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20f85494748c2c64cf4a48caeef700153b66c659cf1104c3f2892e68fa0058ee

Aliases

arxiv: 1804.04869 · arxiv_version: 1804.04869v1 · doi: 10.48550/arxiv.1804.04869 · pith_short_12: ED4FJFDURQWG · pith_short_16: ED4FJFDURQWGJT2K · pith_short_8: ED4FJFDU

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/ED4FJFDURQWGJT2KJDFO55YACU \
  | 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: 20f85494748c2c64cf4a48caeef700153b66c659cf1104c3f2892e68fa0058ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4913e2c025db0d5eda934512ce3494a10758335ee2824dfb3ca3ec3a4a658f4",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-04-13T10:07:35Z",
    "title_canon_sha256": "c4b2b74f81adf4408a016b0c9fce2445023850d059e4e692ada03b1db1f4951d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04869",
    "kind": "arxiv",
    "version": 1
  }
}