Pith Number

pith:QCW5NA5A

pith:2009:QCW5NA5AHNFWZ7SROHAQJXITWS

not attested not anchored not stored refs pending

Cosmic Evolution of Virial and Stellar Mass in Massive Early-Type Galaxies

2), (2) UC Santa Barbara, (3) IAP, (4) Leiden, (5) EPFL, (6) ARI/ZAH Heidelberg), C\'ecile Faure (5), Christopher D. Fassnacht (1), David J. Lagattuta (1), Maru\v{s}a Brada\v{c} (2), Matthew W. Auger (1, Philip J. Marshall (2), Rapha\"el Gavazzi (3), Timo Anguita (6) ((1) UC Davis, Tim Schrabback (4), Tommaso Treu (2)

arxiv:0911.2236 v2 · 2009-11-12 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QCW5NA5AHNFWZ7SROHAQJXITWS}

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	2026-05-18T02:34:11.163405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80add683a03b4b6cfe5171c104dd13b488975cdab8d19ad5bcf8f0f62a72d975

Aliases

arxiv: 0911.2236 · arxiv_version: 0911.2236v2 · doi: 10.48550/arxiv.0911.2236 · pith_short_12: QCW5NA5AHNFW · pith_short_16: QCW5NA5AHNFWZ7SR · pith_short_8: QCW5NA5A

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/QCW5NA5AHNFWZ7SROHAQJXITWS \
  | 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: 80add683a03b4b6cfe5171c104dd13b488975cdab8d19ad5bcf8f0f62a72d975

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44fdd67ab9c8a7ee8a9e1afc112d0f8abc0673129462bf84df37cd0a177cdc88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-12T01:45:26Z",
    "title_canon_sha256": "7cfb5b94fbc941b7f93d6701e049a0ff346d19f2771983dd9bee4e76d6b61fbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2236",
    "kind": "arxiv",
    "version": 2
  }
}