Pith Number

pith:NQWQ5FN7

pith:2016:NQWQ5FN7O6ET6L3YQ7M2I2UOID

not attested not anchored not stored refs pending

Monitoring the Solar Radius from the Royal Observatory of the Spanish Navy during the Last Quarter-Millennium

A.J.P. Aparicio, E. Hern\'andez-Garc\'ia, F.J. Gonz\'alez-Gonz\'alez, J.J. Ruiz-Lorenzo, J.M. Vaquero, M.C. Gallego, T. L\'opez-Moratalla, V.M.S. Carrasco

arxiv:1606.03932 v1 · 2016-06-13 · astro-ph.SR · physics.hist-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{NQWQ5FN7O6ET6L3YQ7M2I2UOID}

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	2026-05-18T01:08:40.383586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c2d0e95bf77893f2f7887d9a46a8e40fa472e75da3afd18c5835e7251ea9412

Aliases

arxiv: 1606.03932 · arxiv_version: 1606.03932v1 · doi: 10.48550/arxiv.1606.03932 · pith_short_12: NQWQ5FN7O6ET · pith_short_16: NQWQ5FN7O6ET6L3Y · pith_short_8: NQWQ5FN7

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/NQWQ5FN7O6ET6L3YQ7M2I2UOID \
  | 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: 6c2d0e95bf77893f2f7887d9a46a8e40fa472e75da3afd18c5835e7251ea9412

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af656b15b1708703e742f814149929ed615e99612bde3e4432343e8198137f37",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-06-13T13:08:40Z",
    "title_canon_sha256": "1b347beb5e030ee9b40472410b915c5153853568e85b06ca82218cbab80de144"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.03932",
    "kind": "arxiv",
    "version": 1
  }
}