Pith Number

pith:2VEPSYAG

pith:2016:2VEPSYAGKAJ62Z32HOYKSMGSH7

not attested not anchored not stored refs pending

On the combined use of GW approximation and cumulant expansion in the calculations of quasiparticle spectra: The paradigm of Si valence bands

Branko Gumhalter, Fabio Caruso, Feliciano Giustino, Henry Lambert, Vjekoslav Kova\v{c}

arxiv:1606.06506 v1 · 2016-06-21 · 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{2VEPSYAGKAJ62Z32HOYKSMGSH7}

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	2026-05-18T01:10:02.302433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d548f960065013ed677a3bb0a930d23fc8172b2de6e99b0483eb5bd9ddcfa759

Aliases

arxiv: 1606.06506 · arxiv_version: 1606.06506v1 · doi: 10.48550/arxiv.1606.06506 · pith_short_12: 2VEPSYAGKAJ6 · pith_short_16: 2VEPSYAGKAJ62Z32 · pith_short_8: 2VEPSYAG

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/2VEPSYAGKAJ62Z32HOYKSMGSH7 \
  | 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: d548f960065013ed677a3bb0a930d23fc8172b2de6e99b0483eb5bd9ddcfa759

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d61fd35b68fa89087c24a34b0c904bbc795b3e00129aea282f30380922d0c62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2016-06-21T10:47:19Z",
    "title_canon_sha256": "ba800517d5cdb9536a4ed3f2d3b60b1d7e6cf5fd7c2ca73b56fd50f1ecfa7521"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06506",
    "kind": "arxiv",
    "version": 1
  }
}