Pith Number

pith:SPTLNTLW

pith:1996:SPTLNTLWPTBPWDM4IG7CIYAXDL

not attested not anchored not stored refs pending

An Overview of Blazar Variability

C. Megan Urry (Space Telescope Science Institute)

arxiv:astro-ph/9609023 v1 · 1996-09-03 · 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{SPTLNTLWPTBPWDM4IG7CIYAXDL}

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

2 papers in Pith

SDSSJ110546.07+145202.4: The first long-duration radio changing-look NLS1 galaxy

Zooming in on the GeV $\gamma$-ray flare of the blazar PKS 1725+123 with a multimessenger lens

Receipt and verification

First computed	2026-07-04T14:14:53.991644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93e6b6cd767cc2fb0d9c41be2460171ac2d404dea493722eb4b629b8e94dd8cb

Aliases

arxiv: astro-ph/9609023 · arxiv_version: astro-ph/9609023v1 · doi: 10.48550/arxiv.astro-ph/9609023 · pith_short_12: SPTLNTLWPTBP · pith_short_16: SPTLNTLWPTBPWDM4 · pith_short_8: SPTLNTLW

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/SPTLNTLWPTBPWDM4IG7CIYAXDL \
  | 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: 93e6b6cd767cc2fb0d9c41be2460171ac2d404dea493722eb4b629b8e94dd8cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8c11f5843b05c3f1b2dc320bfd9c5db36eb63c1b0cd3b922ba747decf19ffd2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-09-03T22:11:24Z",
    "title_canon_sha256": "4bcf490f28b11aeb8a16a99e75e9f129c627b0f92f6937070708489a819128ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9609023",
    "kind": "arxiv",
    "version": 1
  }
}