Pith Number

pith:M5ARWM3K

pith:2018:M5ARWM3KO7YFIBX7SA7KJRP5WQ

not attested not anchored not stored refs pending

The Sun's polar magnetic field: datasets, proxies and theoretical issues

Arnab Rai Choudhuri

arxiv:1810.05563 v1 · 2018-10-12 · 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{M5ARWM3KO7YFIBX7SA7KJRP5WQ}

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	2026-05-17T23:55:11.417667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67411b336a77f05406ff903ea4c5fdb425fe5e2582696ed215fdad3aae85eddd

Aliases

arxiv: 1810.05563 · arxiv_version: 1810.05563v1 · doi: 10.48550/arxiv.1810.05563 · pith_short_12: M5ARWM3KO7YF · pith_short_16: M5ARWM3KO7YFIBX7 · pith_short_8: M5ARWM3K

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/M5ARWM3KO7YFIBX7SA7KJRP5WQ \
  | 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: 67411b336a77f05406ff903ea4c5fdb425fe5e2582696ed215fdad3aae85eddd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2483c75475dc816ae98b61f3a62cde5770ab8b0f8402ac6c024b6cf2289159aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-10-12T15:02:56Z",
    "title_canon_sha256": "1b7bad4bdfe391f7c81ded04b93dbf1f9b0056d5f60f08c085109fa0ccea5fb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05563",
    "kind": "arxiv",
    "version": 1
  }
}