Pith Number

pith:KUWWASX5

pith:2009:KUWWASX5UUSULB23DARNHN7AHS

not attested not anchored not stored refs pending

Hybrid density functional calculations of the band gap of Ga$_x$In$_{1-x}$N

Andrew M. Rappe, Annabella Selloni, Eric J. Walter, Roberto Car, Xifan Wu

arxiv:0907.2001 v1 · 2009-07-12 · 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{KUWWASX5UUSULB23DARNHN7AHS}

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	2026-05-18T02:13:03.688478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

552d604afda52545875b1822d3b7e03c884af4e838ab26b9ff5389e98f1a1458

Aliases

arxiv: 0907.2001 · arxiv_version: 0907.2001v1 · doi: 10.48550/arxiv.0907.2001 · pith_short_12: KUWWASX5UUSU · pith_short_16: KUWWASX5UUSULB23 · pith_short_8: KUWWASX5

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/KUWWASX5UUSULB23DARNHN7AHS \
  | 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: 552d604afda52545875b1822d3b7e03c884af4e838ab26b9ff5389e98f1a1458

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e1e7735a6aa89c6417a9bb5a0827836e79831ec5040fe4927eb2e00b8ab99d3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-07-12T03:58:33Z",
    "title_canon_sha256": "3539813d36e56c82a0f9ea4c825b56526909580140acef2e97b47219ea769b1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2001",
    "kind": "arxiv",
    "version": 1
  }
}