Pith Number

pith:ONZGMN2S

pith:2015:ONZGMN2S4VUXPQZR2QWAATGLYD

not attested not anchored not stored refs pending

Woptic: optical conductivity with Wannier functions and adaptive k-mesh refinement

A. Toschi, E. Assmann, J. Kune\v{s}, K. Held, P. Blaha, P. Wissgott

arxiv:1507.04881 v2 · 2015-07-17 · physics.comp-ph · cond-mat.mtrl-sci · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ONZGMN2S4VUXPQZR2QWAATGLYD}

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	2026-05-18T01:17:30.669960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7372663752e56977c331d42c004ccbc0fb048f38aecf8db7c62182203dfed6c4

Aliases

arxiv: 1507.04881 · arxiv_version: 1507.04881v2 · doi: 10.48550/arxiv.1507.04881 · pith_short_12: ONZGMN2S4VUX · pith_short_16: ONZGMN2S4VUXPQZR · pith_short_8: ONZGMN2S

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/ONZGMN2S4VUXPQZR2QWAATGLYD \
  | 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: 7372663752e56977c331d42c004ccbc0fb048f38aecf8db7c62182203dfed6c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5e142571ecb7c490a1caf669290ee3b98290bbc971007d60ba7df4e6434fbcd",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2015-07-17T08:49:41Z",
    "title_canon_sha256": "14195a88ed8b4729204845f62cdc42feac6f4cfa062f0785052e0e96831fa58d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04881",
    "kind": "arxiv",
    "version": 2
  }
}