Pith Number

pith:XX67XNTY

pith:2006:XX67XNTY5BF27RGCFUDR5J3LSV

not attested not anchored not stored refs pending

The host galaxies of radio-quiet quasars at 0.5<z<1.0

E. Orndahl (1), Finland (2) Osservatorio Astronomico di Padova, Italy), Italy (3) INAF-IASF Milano, J.K. Kotilainen (1), M. Uslenghi ((1) Tuorla Observatory, R. Falomo (2), T. Hyvonen (1)

arxiv:astro-ph/0610142 v1 · 2006-10-05 · 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{XX67XNTY5BF27RGCFUDR5J3LSV}

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	2026-05-18T01:40:29.423101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdfdfbb678e84bafc4c22d071ea76b9550d742c19c468da0b88ca0e195750a49

Aliases

arxiv: astro-ph/0610142 · arxiv_version: astro-ph/0610142v1 · doi: 10.48550/arxiv.astro-ph/0610142 · pith_short_12: XX67XNTY5BF2 · pith_short_16: XX67XNTY5BF27RGC · pith_short_8: XX67XNTY

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/XX67XNTY5BF27RGCFUDR5J3LSV \
  | 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: bdfdfbb678e84bafc4c22d071ea76b9550d742c19c468da0b88ca0e195750a49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce4438c9c47029883caf6fb9d9fdfc239d122930bd1446a07107ea090e9b206a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-10-05T10:02:00Z",
    "title_canon_sha256": "79c9ca0b3cace828887f4720df084933cf0b433a6d9ca9504a6065f67d08db77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0610142",
    "kind": "arxiv",
    "version": 1
  }
}