Pith Number

pith:I4TK5DFV

pith:2012:I4TK5DFVFMX6SPVA5BUCFN4BKU

not attested not anchored not stored refs pending

The Advanced Camera for Surveys General Catalog: Structural Parameters for Approximately Half a Million Galaxies

Anton M. Koekemoer, Benjamin Weiner, Christopher J. Conselice, Christopher N. A. Willmer, Daniel Stern, David C. Koo, J. Davy Kirkpatrick, Jeffrey A. Newman, Jennifer M. Lotz, Julia M. Comerford, Kai G. Noeske, Kartik Sheth, Leonidas A. Moustakas, Marc Davis, Marco Barden, Michael C. Cooper, Nick Scoville, Patrick Shopbell, Peter L. Capak, Roger L. Griffith, S. M. Faber

arxiv:1203.1651 v4 · 2012-03-07 · 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{I4TK5DFVFMX6SPVA5BUCFN4BKU}

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	2026-05-18T03:55:36.957307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4726ae8cb52b2fe93ea0e86822b7815511e34aa0ad9c01b7e3b9c9f074e5d40c

Aliases

arxiv: 1203.1651 · arxiv_version: 1203.1651v4 · doi: 10.48550/arxiv.1203.1651 · pith_short_12: I4TK5DFVFMX6 · pith_short_16: I4TK5DFVFMX6SPVA · pith_short_8: I4TK5DFV

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/I4TK5DFVFMX6SPVA5BUCFN4BKU \
  | 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: 4726ae8cb52b2fe93ea0e86822b7815511e34aa0ad9c01b7e3b9c9f074e5d40c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0ad86c7f97b29c8d643b1109618c5d5f60cf221718b707a991575bc94f6d338",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-07T22:50:45Z",
    "title_canon_sha256": "72c80902da1e5f8e771660ff206a2c3c5116ba17f7fefd82141af4a9c8a38f51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1651",
    "kind": "arxiv",
    "version": 4
  }
}