Pith Number

pith:5QOOH5IT

pith:2010:5QOOH5ITGIVBQLE6MG33QJTANU

not attested not anchored not stored refs pending

Colour gradients in normal and compact early-type galaxies at 1<z<2

A. Gargiulo, M. Longhetti, P. Saracco

arxiv:1011.2427 v1 · 2010-11-10 · 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{5QOOH5ITGIVBQLE6MG33QJTANU}

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	2026-05-18T02:04:49.236325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec1ce3f513322a182c9e61b7b826606d2ee0b28e8ab09d044f12ef5bc357907c

Aliases

arxiv: 1011.2427 · arxiv_version: 1011.2427v1 · doi: 10.48550/arxiv.1011.2427 · pith_short_12: 5QOOH5ITGIVB · pith_short_16: 5QOOH5ITGIVBQLE6 · pith_short_8: 5QOOH5IT

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/5QOOH5ITGIVBQLE6MG33QJTANU \
  | 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: ec1ce3f513322a182c9e61b7b826606d2ee0b28e8ab09d044f12ef5bc357907c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d666810093bc769a6b0dfb1ef19078c269310a7c1b55dba70b9bad06c1d01dcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-10T16:48:23Z",
    "title_canon_sha256": "c31c58d78d694e1d055bf4fa87e77748aa48f704c3491fea65b9190f7db3451e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.2427",
    "kind": "arxiv",
    "version": 1
  }
}