Pith Number

pith:KTIUINBU

pith:1998:KTIUINBUYMMUYBVJTAJWCTZMHG

not attested not anchored not stored refs pending

An Optical/Near-Infrared Study of Radio-Loud Quasar Environments II. Imaging Results

Patrick B. Hall (1), Richard F. Green (2) ((1) The University of Arizona, University of Toronto (2) National Optical Astronomy Observatories)

arxiv:astro-ph/9806151 v1 · 1998-06-10 · 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{KTIUINBUYMMUYBVJTAJWCTZMHG}

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	2026-05-18T04:22:51.032278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54d1443434c3194c06a99813614f2c39bb37e927ba9fc253535ee59c1252bcee

Aliases

arxiv: astro-ph/9806151 · arxiv_version: astro-ph/9806151v1 · doi: 10.48550/arxiv.astro-ph/9806151 · pith_short_12: KTIUINBUYMMU · pith_short_16: KTIUINBUYMMUYBVJ · pith_short_8: KTIUINBU

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/KTIUINBUYMMUYBVJTAJWCTZMHG \
  | 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: 54d1443434c3194c06a99813614f2c39bb37e927ba9fc253535ee59c1252bcee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccfd09cddab88d11f63f88c77ca34af877ea16bb44f0a221ad9506c42bf492eb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-06-10T19:35:49Z",
    "title_canon_sha256": "a73ef79a25698b8687273e65a44124b4453b32bedf7ad1268e4d1b98c5b7185f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9806151",
    "kind": "arxiv",
    "version": 1
  }
}