Pith Number

pith:TXMXAGRH

pith:2000:TXMXAGRHNVL3P27BPM6LSK733L

not attested not anchored not stored refs pending

Gamma-ray loud quasars: a view with BeppoSAX

A. Celotti, A. Comastri, A. Treves, C. M. Raiteri, E. Pian, F. Tavecchio, G. Fossati, G. Ghisellini, G. Tagliaferri, L. Chiappetti, L. Maraschi, M. Villata, P. Grandi, R. Sambruna

arxiv:astro-ph/0006443 v1 · 2000-06-30 · 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{TXMXAGRHNVL3P27BPM6LSK733L}

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	2026-05-18T01:40:47.612709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dd9701a276d57b7ebe17b3cb92bfbdaf6d51ea4b7fa268d60aa6f5deef624db

Aliases

arxiv: astro-ph/0006443 · arxiv_version: astro-ph/0006443v1 · doi: 10.48550/arxiv.astro-ph/0006443 · pith_short_12: TXMXAGRHNVL3 · pith_short_16: TXMXAGRHNVL3P27B · pith_short_8: TXMXAGRH

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/TXMXAGRHNVL3P27BPM6LSK733L \
  | 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: 9dd9701a276d57b7ebe17b3cb92bfbdaf6d51ea4b7fa268d60aa6f5deef624db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f007f5856f88b35600ae3e0bc8ecfaf8153a05b61af031f5084d10da0af51816",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-06-30T14:38:23Z",
    "title_canon_sha256": "50b457437078d407c0abc550f7145d1c58b2fe50e42462577c64c32822fa838c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0006443",
    "kind": "arxiv",
    "version": 1
  }
}