Pith Number

pith:VTEMI456

pith:2020:VTEMI456DR6ODYM4PPRSHSC33Q

not attested not anchored not stored refs pending

Validation of GFS day-ahead solar irradiance forecasts in China

Guangyu Shi, Xiangao Xia, Yanbo Shen, Yue Zhang

arxiv:2007.01639 v1 · 2020-07-03 · physics.ao-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{VTEMI456DR6ODYM4PPRSHSC33Q}

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	2026-07-05T01:16:03.586082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acc8c473be1c7ce1e19c7be323c85bdc34a809d4efc051d8332562d20dfc82d6

Aliases

arxiv: 2007.01639 · arxiv_version: 2007.01639v1 · doi: 10.48550/arxiv.2007.01639 · pith_short_12: VTEMI456DR6O · pith_short_16: VTEMI456DR6ODYM4 · pith_short_8: VTEMI456

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/VTEMI456DR6ODYM4PPRSHSC33Q \
  | 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: acc8c473be1c7ce1e19c7be323c85bdc34a809d4efc051d8332562d20dfc82d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cfdf64c54ae6cb1120ca1af3bbe75eb90ecb5bca65d794f4e52942f362a86a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2020-07-03T12:16:27Z",
    "title_canon_sha256": "238de583afcda2f48e074606f90e5932d78a9046c064954beb6aaa5326231b6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.01639",
    "kind": "arxiv",
    "version": 1
  }
}