Pith Number

pith:FQL2UZWM

pith:2014:FQL2UZWML5MFMALDWE7VQ3UHQZ

not attested not anchored not stored refs pending

The solar rotation in the period 1853-1870 from the sunspot catalogues of Carrington, Peters, and de la Rue

Jos\'e M. Vaquero, Ricard Casas

arxiv:1410.8286 v1 · 2014-10-30 · 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{FQL2UZWML5MFMALDWE7VQ3UHQZ}

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	2026-05-18T01:33:06.745954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c17aa66cc5f58560163b13f586e87865f7e61f91ef3a9fe8b5a6a10d187068f

Aliases

arxiv: 1410.8286 · arxiv_version: 1410.8286v1 · doi: 10.48550/arxiv.1410.8286 · pith_short_12: FQL2UZWML5MF · pith_short_16: FQL2UZWML5MFMALD · pith_short_8: FQL2UZWM

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/FQL2UZWML5MFMALDWE7VQ3UHQZ \
  | 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: 2c17aa66cc5f58560163b13f586e87865f7e61f91ef3a9fe8b5a6a10d187068f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abaf4c3f8d630445de23be2cb5c3b17ba78aa93841aafba5af7179effbacf2c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-10-30T08:22:24Z",
    "title_canon_sha256": "5bd92e1234ba0049880d76560779963b451994f84bd0d2fe9ff1e9ff7db9288b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.8286",
    "kind": "arxiv",
    "version": 1
  }
}