Pith Number

pith:7LGURV5M

pith:2000:7LGURV5M3D7VIIXLDFZU3BQM5O

not attested not anchored not stored refs pending

Extreme Scattering Events: An Observational Summary

Alan L. Fey (USNO), R. A. Gaume (USNO), T. Joseph W. Lazio (NRL)

arxiv:astro-ph/0007098 v1 · 2000-07-07 · 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{7LGURV5M3D7VIIXLDFZU3BQM5O}

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	2026-07-04T16:16:52.945901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

facd48d7acd8ff5422eb19734d860ceb9cf80cb03003489ba846d63b9c3a4dce

Aliases

arxiv: astro-ph/0007098 · arxiv_version: astro-ph/0007098v1 · doi: 10.48550/arxiv.astro-ph/0007098 · pith_short_12: 7LGURV5M3D7V · pith_short_16: 7LGURV5M3D7VIIXL · pith_short_8: 7LGURV5M

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/7LGURV5M3D7VIIXLDFZU3BQM5O \
  | 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: facd48d7acd8ff5422eb19734d860ceb9cf80cb03003489ba846d63b9c3a4dce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7ef94102b95bcadbe928737e165b420acc43b82bc2ff7a4e1b2c10ece0cc96a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-07T18:17:14Z",
    "title_canon_sha256": "9925421207749b88bc746970eaecda149472580e639ac5ab03eeaf8dbb6944bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007098",
    "kind": "arxiv",
    "version": 1
  }
}