Pith Number

pith:JQ7PL77R

pith:2017:JQ7PL77RJ5645G2YKOI7GR5V2K

not attested not anchored not stored refs pending

Excitonic effects in the optical properties of 2D materials: An equation of motion approach

A. J. Chaves, N. M. R. Peres, R. M. Ribeiro, T. Frederico

arxiv:1704.00975 v1 · 2017-04-04 · 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{JQ7PL77RJ5645G2YKOI7GR5V2K}

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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	2026-05-18T00:38:32.028258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c3ef5fff14f7dce9b585391f347b5d2a87d8f64dc54cf74c4c5c26e678047c1

Aliases

arxiv: 1704.00975 · arxiv_version: 1704.00975v1 · doi: 10.48550/arxiv.1704.00975 · pith_short_12: JQ7PL77RJ564 · pith_short_16: JQ7PL77RJ5645G2Y · pith_short_8: JQ7PL77R

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/JQ7PL77RJ5645G2YKOI7GR5V2K \
  | 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: 4c3ef5fff14f7dce9b585391f347b5d2a87d8f64dc54cf74c4c5c26e678047c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae6c64011f4a2ea78edd150ef45a70c24c816615f159c77e1eb274ca74e705c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2017-04-04T12:20:25Z",
    "title_canon_sha256": "4b78e5b9b4514a0f2e62328ddfa83ed0096c928091b9bc85daf02c2c2f59776a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00975",
    "kind": "arxiv",
    "version": 1
  }
}