Pith Number

pith:V5XNH5V4

pith:2003:V5XNH5V4CEZHRRHVWY73ADB34M

not attested not anchored not stored refs pending

A Physical Model for the Co-evolution of QSOs and of their Spheroidal Hosts

Alessandro Bressan & Luigi Danese, Gianfranco De Zotti, Gian Luigi Granato, Laura Silva

arxiv:astro-ph/0307202 v2 · 2003-07-10 · 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{V5XNH5V4CEZHRRHVWY73ADB34M}

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

2 papers in Pith

COSMOS-Web: Star formation along the early Hubble sequence and the evolution of dust over the redshift range 0<z<12

Receipt and verification

First computed	2026-07-04T16:52:08.431165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af6ed3f6bc113278c4f5b63fb00c3be3393fe76f2c4578f06516dd32e3fa06db

Aliases

arxiv: astro-ph/0307202 · arxiv_version: astro-ph/0307202v2 · doi: 10.48550/arxiv.astro-ph/0307202 · pith_short_12: V5XNH5V4CEZH · pith_short_16: V5XNH5V4CEZHRRHV · pith_short_8: V5XNH5V4

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/V5XNH5V4CEZHRRHVWY73ADB34M \
  | 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: af6ed3f6bc113278c4f5b63fb00c3be3393fe76f2c4578f06516dd32e3fa06db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d19a6d9bf3beee1fb5c281fff32d5130e408d09672b2f6d86b7eb60a794b3dc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-07-10T10:43:12Z",
    "title_canon_sha256": "2dcb78c41c709d84198774b330417e58494465bbe02b889e598563c2c992dd5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0307202",
    "kind": "arxiv",
    "version": 2
  }
}