Pith Number

pith:QWYFHPGE

pith:2005:QWYFHPGETXPLMQEY2HUARK4357

not attested not anchored not stored refs pending

Properties of Early-Type, Dry Galaxy Mergers and the Origin of Massive Elliptical Galaxies

Sadegh Khochfar & Andreas Burkert, Thorsten Naab

arxiv:astro-ph/0509667 v2 · 2005-09-22 · 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{QWYFHPGETXPLMQEY2HUARK4357}

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

Mass--size evolution and the emerging passive--density relation revealed by JWST/NIRCam in the Spiderweb protocluster

Receipt and verification

First computed	2026-07-04T17:15:12.469528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85b053bcc49ddeb64098d1e808ab9befec3430df67a1e7e7be11f4e102ef58af

Aliases

arxiv: astro-ph/0509667 · arxiv_version: astro-ph/0509667v2 · doi: 10.48550/arxiv.astro-ph/0509667 · pith_short_12: QWYFHPGETXPL · pith_short_16: QWYFHPGETXPLMQEY · pith_short_8: QWYFHPGE

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/QWYFHPGETXPLMQEY2HUARK4357 \
  | 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: 85b053bcc49ddeb64098d1e808ab9befec3430df67a1e7e7be11f4e102ef58af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "014c845324aa351fb24e3d1d67c546fe7cc4c88dad09264055d32a4deec36c28",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-22T10:22:20Z",
    "title_canon_sha256": "1dd26b6f291872a66b80b920f68fd1fce820651fa6340e8f0319a8595f68647b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509667",
    "kind": "arxiv",
    "version": 2
  }
}