Pith Number

pith:ULEEXP5X

pith:2001:ULEEXP5XI3YZ5Z4RUKZJ5GBPRW

not attested not anchored not stored refs pending

On Energetics and Structure of Sub-parsec Jets in Quasars

Greg Madejski (SLAC), Marek Sikora (CAMK)

arxiv:astro-ph/0112231 v1 · 2001-12-10 · 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{ULEEXP5XI3YZ5Z4RUKZJ5GBPRW}

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	2026-05-18T00:37:00.912812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2c84bbfb746f19ee791a2b29e982f8da803d2ff35f9d40435cba0eb4c50157d

Aliases

arxiv: astro-ph/0112231 · arxiv_version: astro-ph/0112231v1 · doi: 10.48550/arxiv.astro-ph/0112231 · pith_short_12: ULEEXP5XI3YZ · pith_short_16: ULEEXP5XI3YZ5Z4R · pith_short_8: ULEEXP5X

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/ULEEXP5XI3YZ5Z4RUKZJ5GBPRW \
  | 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: a2c84bbfb746f19ee791a2b29e982f8da803d2ff35f9d40435cba0eb4c50157d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8a542c3211cfcef5b8799792bc29591f9cb41f9929ea51a0c996122a5389a54",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-12-10T21:43:14Z",
    "title_canon_sha256": "d97d8f672e4b6eea56316227f890918b1d56b4ac9c5e9b323e469ead6e747683"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0112231",
    "kind": "arxiv",
    "version": 1
  }
}