Pith Number

pith:FUNE22XA

pith:2001:FUNE22XAZWZQSJD2G5VFGKFZBK

not attested not anchored not stored refs pending

A Project GRAND Study of the GLE of July 14, 2000

C. D'Andrea, J. Poirier, M. Dunford

arxiv:astro-ph/0109481 v1 · 2001-09-26 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUNE22XAZWZQSJD2G5VFGKFZBK}

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	2026-07-04T14:11:30.304639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d1a4d6ae0cdb309247a376a5328b90a87c07a00cb9e591c6dc90711ebe01588

Aliases

arxiv: astro-ph/0109481 · arxiv_version: astro-ph/0109481v1 · doi: 10.48550/arxiv.astro-ph/0109481 · pith_short_12: FUNE22XAZWZQ · pith_short_16: FUNE22XAZWZQSJD2 · pith_short_8: FUNE22XA

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/FUNE22XAZWZQSJD2G5VFGKFZBK \
  | 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: 2d1a4d6ae0cdb309247a376a5328b90a87c07a00cb9e591c6dc90711ebe01588

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbde4de3ec7eb378a1963d4b748619ec6bf11f5fe9fe7709539489fa341f504d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-26T14:59:55Z",
    "title_canon_sha256": "a84a5add01c6cb03a0fa49dd4ced31f68249dbb6cb187c7be4cebc79aa8df094"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109481",
    "kind": "arxiv",
    "version": 1
  }
}