Pith Number

pith:WIUTYO3L

pith:1998:WIUTYO3LGSTZ7DLURCVTW3H2GI

not attested not anchored not stored refs pending

Hyperstrong Radio-Wave Scattering in the Galactic Center. II. A Likelihood Analysis of Free Electrons in the Galactic Center

James M. Cordes (Cornell, NAIC), NRL), T. Joseph W. Lazio (NRC

arxiv:astro-ph/9804157 v1 · 1998-04-16 · 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{WIUTYO3LGSTZ7DLURCVTW3H2GI}

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	2026-07-04T16:06:18.770413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2293c3b6b34a79f8d7488ab3b6cfa320a42d9978e47de92a2ba4070df613312

Aliases

arxiv: astro-ph/9804157 · arxiv_version: astro-ph/9804157v1 · doi: 10.48550/arxiv.astro-ph/9804157 · pith_short_12: WIUTYO3LGSTZ · pith_short_16: WIUTYO3LGSTZ7DLU · pith_short_8: WIUTYO3L

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/WIUTYO3LGSTZ7DLURCVTW3H2GI \
  | 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: b2293c3b6b34a79f8d7488ab3b6cfa320a42d9978e47de92a2ba4070df613312

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1abd5cefb233475ba3230638539dcfef282959225a690d875a27d089f8d96bc4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-04-16T16:14:12Z",
    "title_canon_sha256": "b9662ccf1b1e9bd3badd42d0372fb61978f9233974dd061cee0b0d84b7871c3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9804157",
    "kind": "arxiv",
    "version": 1
  }
}