Pith Number

pith:7KLU3X6R

pith:2012:7KLU3X6R3AN3ISAMD4T5C3BEKY

not attested not anchored not stored refs pending

Fundamentals of PV Efficiency Interpreted by a Two-Level Model

M. Ryyan Khan, Muhammad A. Alam

arxiv:1205.6652 v2 · 2012-05-29 · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7KLU3X6R3AN3ISAMD4T5C3BEKY}

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	2026-05-18T03:03:22.204103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa974ddfd1d81bb4480c1f27d16c24560ca96d102eee2e5b9b495615c99b744c

Aliases

arxiv: 1205.6652 · arxiv_version: 1205.6652v2 · doi: 10.48550/arxiv.1205.6652 · pith_short_12: 7KLU3X6R3AN3 · pith_short_16: 7KLU3X6R3AN3ISAM · pith_short_8: 7KLU3X6R

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/7KLU3X6R3AN3ISAMD4T5C3BEKY \
  | 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: fa974ddfd1d81bb4480c1f27d16c24560ca96d102eee2e5b9b495615c99b744c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cd75d9d67dc061cfec3825dc58003d4ae942ce778e7b5e80f634ac8be8b840a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2012-05-29T04:29:21Z",
    "title_canon_sha256": "30e4b9d15a67cba82fb4d3d4126080f959c9a46657c9954aea231bead7883121"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6652",
    "kind": "arxiv",
    "version": 2
  }
}