Pith Number

pith:CAGQLI4R

pith:2011:CAGQLI4RLF2BB5VBYHDM7MIZS3

not attested not anchored not stored refs pending

The faint stellar halos of massive red galaxies from stacks of more than 42000 SDSS LRG images

Pieter van Dokkum, Tomer Tal

arxiv:1102.4330 v1 · 2011-02-21 · 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{CAGQLI4RLF2BB5VBYHDM7MIZS3}

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	2026-05-18T02:03:06.870030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

100d05a391597410f6a1c1c6cfb11996f407b3c0083e3390c4c909f7ad43c629

Aliases

arxiv: 1102.4330 · arxiv_version: 1102.4330v1 · doi: 10.48550/arxiv.1102.4330 · pith_short_12: CAGQLI4RLF2B · pith_short_16: CAGQLI4RLF2BB5VB · pith_short_8: CAGQLI4R

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/CAGQLI4RLF2BB5VBYHDM7MIZS3 \
  | 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: 100d05a391597410f6a1c1c6cfb11996f407b3c0083e3390c4c909f7ad43c629

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a8142f076a5af5f05ba417308309a9dd9c9b880b0a229228658adf2b59cefb6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-21T21:00:01Z",
    "title_canon_sha256": "436f84f52fcf278fa61da00f820ba7a08cc84c8d017fac7484d457bafeea6ba0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4330",
    "kind": "arxiv",
    "version": 1
  }
}