Pith Number

pith:Q446YMF3

pith:2016:Q446YMF3GXHOMJ3ZKOJVEFANCF

not attested not anchored not stored refs pending

Efficient On-the-Fly Interpolation Technique for Bethe-Salpeter Calculations of Optical Spectra

Matteo Giantomassi, Xavier Gonze, Yannick Gillet

arxiv:1602.01863 v1 · 2016-02-04 · 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{Q446YMF3GXHOMJ3ZKOJVEFANCF}

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	2026-05-18T01:15:42.557611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8739ec30bb35cee62779539352140d115b2dc8b0247ec321e8a99085bd09b07f

Aliases

arxiv: 1602.01863 · arxiv_version: 1602.01863v1 · doi: 10.48550/arxiv.1602.01863 · pith_short_12: Q446YMF3GXHO · pith_short_16: Q446YMF3GXHOMJ3Z · pith_short_8: Q446YMF3

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/Q446YMF3GXHOMJ3ZKOJVEFANCF \
  | 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: 8739ec30bb35cee62779539352140d115b2dc8b0247ec321e8a99085bd09b07f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60531c3a0b3b4e490c5b7ee7ce06010a40b4abc766e87aad70c7c6757d19fb4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2016-02-04T21:58:49Z",
    "title_canon_sha256": "428892b5bb630f348cc5fd4e6629a2f6d5df8eed0c89a18a57e66948b5e9c67b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01863",
    "kind": "arxiv",
    "version": 1
  }
}