Pith Number

pith:URGYODRM

pith:2012:URGYODRMORZYHNF2DSQAQNL7XH

not attested not anchored not stored refs pending

Why isn't the solar constant a constant?

H. F. Liang, J. C. Xu, K. J. Li, L. H. Yang, L. S. Zhan, P. X. Gao, W. Feng

arxiv:1201.0819 v1 · 2012-01-04 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{URGYODRMORZYHNF2DSQAQNL7XH}

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	2026-05-18T01:58:58.057266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a44d870e2c747383b4ba1ca008357fb9c4886afc53fdba427361c2c2bc8e85be

Aliases

arxiv: 1201.0819 · arxiv_version: 1201.0819v1 · doi: 10.48550/arxiv.1201.0819 · pith_short_12: URGYODRMORZY · pith_short_16: URGYODRMORZYHNF2 · pith_short_8: URGYODRM

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/URGYODRMORZYHNF2DSQAQNL7XH \
  | 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: a44d870e2c747383b4ba1ca008357fb9c4886afc53fdba427361c2c2bc8e85be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f5f0f902fb69dee8a733e3cc9c6d60b08307efa90c8c5d9e1c5bf4302458c19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-04T04:53:19Z",
    "title_canon_sha256": "0977260cc87cf917f8a82256d1f797faadd1011b86fca74624f6d941895aae35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0819",
    "kind": "arxiv",
    "version": 1
  }
}