Pith Number

pith:YHEBF6CX

pith:2005:YHEBF6CXZ2SSZMSSTJ3WL7IGRN

not attested not anchored not stored refs pending

The evolution of early-type galaxies at z~1 from the K20 survey

A. Cimatti, A. Renzini, A. Rettura, B. Lanzoni, E. Daddi, E. Pignatelli, G. Zamorani, J. Vernet, L. Ciotti, L. Pozzetti, M. Mignoli, P. Cassata, S. di Serego Alighieri

arxiv:astro-ph/0506655 v1 · 2005-06-27 · 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{YHEBF6CXZ2SSZMSSTJ3WL7IGRN}

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	2026-07-04T16:52:41.525109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1c812f857cea52cb2529a7765fd068b79d337418f9a2408e30fe30390ddbc92

Aliases

arxiv: astro-ph/0506655 · arxiv_version: astro-ph/0506655v1 · doi: 10.48550/arxiv.astro-ph/0506655 · pith_short_12: YHEBF6CXZ2SS · pith_short_16: YHEBF6CXZ2SSZMSS · pith_short_8: YHEBF6CX

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/YHEBF6CXZ2SSZMSSTJ3WL7IGRN \
  | 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: c1c812f857cea52cb2529a7765fd068b79d337418f9a2408e30fe30390ddbc92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4d6f2702d35eb86ce76a8851217dbf673a4da9553920d3b903ad0e38b1bc4e6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-06-27T16:38:26Z",
    "title_canon_sha256": "f25d93fc1811f10ce898f58a9b120cff3dc4c8fa415f59c27ea221ce27cacf01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0506655",
    "kind": "arxiv",
    "version": 1
  }
}