Pith Number

pith:NRGZK5QX

pith:2001:NRGZK5QXIGBJ3VKMK5MHR3JML5

not attested not anchored not stored refs pending

The CLASS blazar survey. I - selection criteria and radio properties

A. Caccianiga, I.W.A. Browne, M.J.M. Marcha, N. Jackson

arxiv:astro-ph/0108468 v1 · 2001-08-29 · 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{NRGZK5QXIGBJ3VKMK5MHR3JML5}

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	2026-05-18T01:22:58.910381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c4d95761741829dd54c575878ed2c5f498392e25e8f0183e8f23981abfe957c

Aliases

arxiv: astro-ph/0108468 · arxiv_version: astro-ph/0108468v1 · doi: 10.48550/arxiv.astro-ph/0108468 · pith_short_12: NRGZK5QXIGBJ · pith_short_16: NRGZK5QXIGBJ3VKM · pith_short_8: NRGZK5QX

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/NRGZK5QXIGBJ3VKMK5MHR3JML5 \
  | 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: 6c4d95761741829dd54c575878ed2c5f498392e25e8f0183e8f23981abfe957c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19b3ec66cd1581d046229610a7cebcfeeb22d8cf88488c0f00033006e37eeb30",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-08-29T12:52:10Z",
    "title_canon_sha256": "278f752cb8f43d1f01607e0ce124146535224f4be74fafaabb6fb0519343ca42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0108468",
    "kind": "arxiv",
    "version": 1
  }
}