Pith Number

pith:P5EUZ63I

pith:2019:P5EUZ63IXOGO2H53SGBCLNVI7W

not attested not anchored not stored refs pending

Solar Angular Momentum Loss Over the Past Several Millennia

Adam J. Finley, Chi-Ju Wu, Mathew Owens, Sean P. Matt, Siddhant Deshmukh

arxiv:1907.13143 v1 · 2019-07-30 · 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{P5EUZ63IXOGO2H53SGBCLNVI7W}

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	2026-07-05T00:08:35.864181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f494cfb68bb8ced1fbb918225b6a8fda13fe2753f51b5ca7b5157a1ff676e99

Aliases

arxiv: 1907.13143 · arxiv_version: 1907.13143v1 · doi: 10.48550/arxiv.1907.13143 · pith_short_12: P5EUZ63IXOGO · pith_short_16: P5EUZ63IXOGO2H53 · pith_short_8: P5EUZ63I

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/P5EUZ63IXOGO2H53SGBCLNVI7W \
  | 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: 7f494cfb68bb8ced1fbb918225b6a8fda13fe2753f51b5ca7b5157a1ff676e99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6cf8c361374bc0294f894211cd367bc0e70eabffd86b1757af571171ee2a3a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-07-30T18:00:05Z",
    "title_canon_sha256": "b7c5cd7dde4c99efaa707bfc36d9a1a62e245e3a5d17faa4566c104bf2af5834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.13143",
    "kind": "arxiv",
    "version": 1
  }
}