Pith Number

pith:KAEBPLTJ

pith:2012:KAEBPLTJDBZ7JNZCFOQNDOU4ZR

not attested not anchored not stored refs pending

Shape Evolution of Massive Early-Type Galaxies: Confirmation of Increased Disk Prevalence at z>1

Arjen van der Wel, Balasubramanian Ramkumar, Bradford P. Holden, Hans-Walter Rix, Stefano Zibetti, Stijn Wuyts, Yu-Yen Chang

arxiv:1211.2113 v1 · 2012-11-09 · astro-ph.CO

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T03:38:12.274178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

500817ae691873f4b7222ba0d1ba9ccc73f74f4f08929b3efcef1f068dbf8588

Aliases

arxiv: 1211.2113 · arxiv_version: 1211.2113v1 · doi: 10.48550/arxiv.1211.2113

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/KAEBPLTJDBZ7JNZCFOQNDOU4ZR \
  | 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: 500817ae691873f4b7222ba0d1ba9ccc73f74f4f08929b3efcef1f068dbf8588

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c02b0d264900aba38ba34425b748bd3e9fc7b3a8cea19ffc998121710c6e760",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-09T12:47:44Z",
    "title_canon_sha256": "f5c6b75133459888095dd0d278696e042f80cfd2b780cc1312792742331ace65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2113",
    "kind": "arxiv",
    "version": 1
  }
}