Pith Number

pith:T66XVJJQ

pith:1993:T66XVJJQRGVAQ4QPPIMFNMNHNR

not attested not anchored not stored refs pending

Shock Excited Maser Emission from the Supernova Remnant W28

D. A. Frail, V. I. Slysh, W. M. Goss

arxiv:astro-ph/9312025 v2 · 1993-12-13 · 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{T66XVJJQRGVAQ4QPPIMFNMNHNR}

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.

Cited by

1 paper in Pith

Supernova remnants in the new radio astronomy era

Receipt and verification

First computed	2026-07-04T15:55:09.224352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fbd7aa53089aa08720f7a1856b1a76c5c634584ab65ce2cab0bc2f894b28a98

Aliases

arxiv: astro-ph/9312025 · arxiv_version: astro-ph/9312025v2 · doi: 10.48550/arxiv.astro-ph/9312025 · pith_short_12: T66XVJJQRGVA · pith_short_16: T66XVJJQRGVAQ4QP · pith_short_8: T66XVJJQ

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/T66XVJJQRGVAQ4QPPIMFNMNHNR \
  | 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: 9fbd7aa53089aa08720f7a1856b1a76c5c634584ab65ce2cab0bc2f894b28a98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8454b85e6b147cfb229ea4b854b8322c8bb1b05b527db873449c74a650999203",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-12-13T20:23:25Z",
    "title_canon_sha256": "aa76db7c541544f3a66688290c7851709d6b76380add89881f90e7ae83437433"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9312025",
    "kind": "arxiv",
    "version": 2
  }
}