Pith Number

pith:42ETPTZW

pith:2009:42ETPTZWJ2CXOSLBG754DPGGAV

not attested not anchored not stored refs pending

Mergers and Bulge Formation in Lambda-CDM: Which Mergers Matter?

(2)Swinburne, (3)CfA, (4)MPE, (5)Irvine), Andrew Wetzel (1), Darren Croton (2), Dusan Keres (3), Joshua D. Younger (3) ((1)Berkeley, Kevin Bundy (1), Kyle Stewart (5), Lars Hernquist (3), Philip F. Hopkins (1), Sadegh Khochfar (4)

arxiv:0906.5357 v2 · 2009-06-29 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42ETPTZWJ2CXOSLBG754DPGGAV}

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

Comparison and verification methods to trace interaction-driven disturbances in galaxies

Receipt and verification

First computed	2026-07-04T17:27:58.971665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e68937cf364e8577496137fbc1bcc605700cfa51072136183e186a36c6ceae82

Aliases

arxiv: 0906.5357 · arxiv_version: 0906.5357v2 · doi: 10.48550/arxiv.0906.5357 · pith_short_12: 42ETPTZWJ2CX · pith_short_16: 42ETPTZWJ2CXOSLB · pith_short_8: 42ETPTZW

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/42ETPTZWJ2CXOSLBG754DPGGAV \
  | 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: e68937cf364e8577496137fbc1bcc605700cfa51072136183e186a36c6ceae82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "428f12e78fcc281a3e748729c0d8652076f148c8c8edc106065d43145fc23d98",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-29T20:03:12Z",
    "title_canon_sha256": "90e0b1dc6f0ce4671c4be29a2721cbb1fba77d68854f34b529eeba07f0b8caad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.5357",
    "kind": "arxiv",
    "version": 2
  }
}