Pith Number

pith:4EAJPXWV

pith:2000:4EAJPXWVPUSQTIC5RCO6UKFANN

not attested not anchored not stored refs pending

The X-Ray Jet of PKS 0637-752: Inverse Compton Radiation from the Cosmic Microwave Background ?

C.M. Urry, F. Tavecchio, L. Maraschi R.M. Sambruna

arxiv:astro-ph/0007441 v1 · 2000-07-28 · 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{4EAJPXWVPUSQTIC5RCO6UKFANN}

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

Supermassive black holes and their surroundings: MeV signatures

Receipt and verification

First computed	2026-07-04T16:16:58.047945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e10097ded57d2509a05d889dea28a06b6b6e906641c0f9d30685eaf57474691f

Aliases

arxiv: astro-ph/0007441 · arxiv_version: astro-ph/0007441v1 · doi: 10.48550/arxiv.astro-ph/0007441 · pith_short_12: 4EAJPXWVPUSQ · pith_short_16: 4EAJPXWVPUSQTIC5 · pith_short_8: 4EAJPXWV

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/4EAJPXWVPUSQTIC5RCO6UKFANN \
  | 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: e10097ded57d2509a05d889dea28a06b6b6e906641c0f9d30685eaf57474691f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f572fe36c79738098ffda3aebf22a542dc4885384fe6366da2852eb6c066879",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-28T14:29:23Z",
    "title_canon_sha256": "7ac955e24c2cacf10e3d70a517a3472ca0159c07af6e80d629d341b00b672253"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007441",
    "kind": "arxiv",
    "version": 1
  }
}