Pith Number

pith:NEV2O5M4

pith:2017:NEV2O5M4ZP3KH5VZTDAUX5DDSJ

not attested not anchored not stored refs pending

The magnetic future of the Sun

Edward Guinan, Philip Judge, Ricky Egeland, Scott Engel, Travis Metcalfe

arxiv:1710.05088 v1 · 2017-10-13 · 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{NEV2O5M4ZP3KH5VZTDAUX5DDSJ}

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	2026-05-18T00:28:40.300372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

692ba7759ccbf6a3f6b998c14bf463927e4f1600afd69fe87b919bb24b11cdf4

Aliases

arxiv: 1710.05088 · arxiv_version: 1710.05088v1 · doi: 10.48550/arxiv.1710.05088 · pith_short_12: NEV2O5M4ZP3K · pith_short_16: NEV2O5M4ZP3KH5VZ · pith_short_8: NEV2O5M4

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/NEV2O5M4ZP3KH5VZTDAUX5DDSJ \
  | 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: 692ba7759ccbf6a3f6b998c14bf463927e4f1600afd69fe87b919bb24b11cdf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81b6958161ae98a3c936b4d872d491877481e0f2a961dc00c4d9cd5727ad3d65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-10-13T22:06:09Z",
    "title_canon_sha256": "8169d7ab4209f4dbd03c72ee3c5005ec214dd05cd0cc3d8618b39b00f7ba8599"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05088",
    "kind": "arxiv",
    "version": 1
  }
}