Pith Number

pith:JGOPD24F

pith:2023:JGOPD24FDZBQEIH57YGLDCW53G

not attested not anchored not stored refs pending

Efficient computation of optical excitations in two-dimensional materials with the Xatu code

Alejandro Jos\'e Ur\'ia-\'Alvarez, Juan Jos\'e Esteve-Paredes, Juan Jos\'e Palacios, Manuel Antonio Garc\'ia-Bl\'azquez

arxiv:2307.01572 v1 · 2023-07-04 · 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{JGOPD24FDZBQEIH57YGLDCW53G}

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	2026-07-05T06:27:58.178844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

499cf1eb851e430220fdfe0cb18addd9b2214337b94f852eb9d34b78384443d8

Aliases

arxiv: 2307.01572 · arxiv_version: 2307.01572v1 · doi: 10.48550/arxiv.2307.01572 · pith_short_12: JGOPD24FDZBQ · pith_short_16: JGOPD24FDZBQEIH5 · pith_short_8: JGOPD24F

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/JGOPD24FDZBQEIH57YGLDCW53G \
  | 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: 499cf1eb851e430220fdfe0cb18addd9b2214337b94f852eb9d34b78384443d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e3254ab844129624cb5c95691d6d01ee22dbf7e49ced20482c1c1a3c7261f83",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2023-07-04T08:56:01Z",
    "title_canon_sha256": "07a979c0e00c8c867572fab37b1b4cb79b19e461ed7d1af2807e40aa182cfabb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.01572",
    "kind": "arxiv",
    "version": 1
  }
}