Pith Number

pith:PNQKZIJN

pith:2019:PNQKZIJNUMZMXI7XOJJFPHGPLE

not attested not anchored not stored refs pending

An atlas of coronal electron density at 5Rs II: A spherical harmonic method for density reconstruction

Huw Morgan

arxiv:1908.07866 v1 · 2019-08-21 · 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{PNQKZIJNUMZMXI7XOJJFPHGPLE}

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	2026-07-04T23:59:01.975836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b60aca12da332cba3f77252579ccf592d5a037bba929982a09f00326f44cd8c

Aliases

arxiv: 1908.07866 · arxiv_version: 1908.07866v1 · doi: 10.48550/arxiv.1908.07866 · pith_short_12: PNQKZIJNUMZM · pith_short_16: PNQKZIJNUMZMXI7X · pith_short_8: PNQKZIJN

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/PNQKZIJNUMZMXI7XOJJFPHGPLE \
  | 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: 7b60aca12da332cba3f77252579ccf592d5a037bba929982a09f00326f44cd8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47e44712442a992c4a861ad1237776820adb5f0c0628305cba4cfd498b4a9437",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-21T13:35:16Z",
    "title_canon_sha256": "8c5e481c7344bccf5d4db01c36e81340a9810b935b7358ea33a09742dacc2d9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07866",
    "kind": "arxiv",
    "version": 1
  }
}