Pith Number

pith:PDR4QW4G

pith:2021:PDR4QW4GUR36SML4TOCOZABEJT

not attested not anchored not stored refs pending

Using in-situ solar-wind observations to generate inner-boundary conditions to outer-heliosphere simulations, 1: Dynamic time warping applied to synthetic observations

Jonathan Nichols, Mathew Owens

arxiv:2109.03742 v1 · 2021-09-08 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDR4QW4GUR36SML4TOCOZABEJT}

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	2026-07-05T03:16:24.282559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78e3c85b86a477e9317c9b84ec80244cc842d606a76c76f77b968956ff75c640

Aliases

arxiv: 2109.03742 · arxiv_version: 2109.03742v1 · doi: 10.48550/arxiv.2109.03742 · pith_short_12: PDR4QW4GUR36 · pith_short_16: PDR4QW4GUR36SML4 · pith_short_8: PDR4QW4G

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/PDR4QW4GUR36SML4TOCOZABEJT \
  | 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: 78e3c85b86a477e9317c9b84ec80244cc842d606a76c76f77b968956ff75c640

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd65438df6638a4a5416d6d7e8c74ec5a3ba8f186d8d1608c33bcc3edcb6ee04",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-09-08T16:03:38Z",
    "title_canon_sha256": "6f7522c9d1afd28adc93a6a51c7bba2397e897bd14b0c431e3797ee97491cc26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03742",
    "kind": "arxiv",
    "version": 1
  }
}