Pith Number

pith:W2M3FZQ5

pith:2018:W2M3FZQ52FTMIKTDKDFJ6YP7OU

not attested not anchored not stored refs pending

Accurate optical properties from first principles: a Quasiparticle Self consistent GW plus Bethe-Salpeter Equation approach

Brian Cunningham, Dimitar Pashov, Mark van Schilfgaarde, Myrta Gruening, Pooya Azarhoosh

arxiv:1802.01856 v1 · 2018-02-06 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2M3FZQ52FTMIKTDKDFJ6YP7OU}

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	2026-05-18T00:20:35.198286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b699b2e61dd166c42a6350ca9f61ff752cd2411991b66b2feeab010523820ca8

Aliases

arxiv: 1802.01856 · arxiv_version: 1802.01856v1 · doi: 10.48550/arxiv.1802.01856 · pith_short_12: W2M3FZQ52FTM · pith_short_16: W2M3FZQ52FTMIKTD · pith_short_8: W2M3FZQ5

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/W2M3FZQ52FTMIKTDKDFJ6YP7OU \
  | 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: b699b2e61dd166c42a6350ca9f61ff752cd2411991b66b2feeab010523820ca8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "126ea8ae16565946f390fe44395cacb0a3c1562dd0d1301b4f93680a78cc3081",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-02-06T09:31:44Z",
    "title_canon_sha256": "6a0ef951c2b5b4cd3f7a416836d657b72148350a707ad4a493accd40884f71b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01856",
    "kind": "arxiv",
    "version": 1
  }
}