Pith Number

pith:URHPWKJB

pith:2011:URHPWKJBBBVQ7FOMXGSUAUD4V2

not attested not anchored not stored refs pending

Optical conductivity of metals from first principles

Arno Schindlmayr

arxiv:1109.2771 v1 · 2011-09-13 · 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{URHPWKJBBBVQ7FOMXGSUAUD4V2}

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	2026-05-18T04:13:07.747054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a44efb2921086b0f95ccb9a540507cae97c2d24a4d18fd17b796fe44f1944999

Aliases

arxiv: 1109.2771 · arxiv_version: 1109.2771v1 · doi: 10.48550/arxiv.1109.2771 · pith_short_12: URHPWKJBBBVQ · pith_short_16: URHPWKJBBBVQ7FOM · pith_short_8: URHPWKJB

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/URHPWKJBBBVQ7FOMXGSUAUD4V2 \
  | 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: a44efb2921086b0f95ccb9a540507cae97c2d24a4d18fd17b796fe44f1944999

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bf169dc00d3785b610c42280f8fa012a790c62278c287d792924b17741b13b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-09-13T13:04:57Z",
    "title_canon_sha256": "9c80072e450e5b1820ec73d38a9c829b38440c0e09a5aed7146ef0e59dd9f768"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2771",
    "kind": "arxiv",
    "version": 1
  }
}