Pith Number

pith:7MRR2KT3

pith:2023:7MRR2KT3LQB7ANHYTYTERAH2A7

not attested not anchored not stored refs pending

Physical Models for Solar Cycle Predictions

Alexandre Lemerle, Dibyendu Nandy, Jie Jiang, Lisa Upton, Prantika Bhowmik

arxiv:2303.12648 v1 · 2023-03-22 · 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{7MRR2KT3LQB7ANHYTYTERAH2A7}

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	2026-07-05T06:34:29.854412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb231d2a7b5c03f034f89e264880fa07c89849fbe3bd1df39e9b0fbbd5e02ad5

Aliases

arxiv: 2303.12648 · arxiv_version: 2303.12648v1 · doi: 10.48550/arxiv.2303.12648 · pith_short_12: 7MRR2KT3LQB7 · pith_short_16: 7MRR2KT3LQB7ANHY · pith_short_8: 7MRR2KT3

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/7MRR2KT3LQB7ANHYTYTERAH2A7 \
  | 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: fb231d2a7b5c03f034f89e264880fa07c89849fbe3bd1df39e9b0fbbd5e02ad5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5ee074eb14d4025a1fb539d96162da0dc53315d32b588cebefb9931a791562d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-03-22T15:29:40Z",
    "title_canon_sha256": "d2b3c06ee051f7e6bd16b725c1c0cbed93a679ba3fb78b5aefe6cbe3283518aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.12648",
    "kind": "arxiv",
    "version": 1
  }
}