Pith Number

pith:ZK6C6CS3

pith:2012:ZK6C6CS3FNFYTM42Q6BFOT3F3J

not attested not anchored not stored refs pending

A highly magnified candidate for a young galaxy seen when the Universe was 500 Myrs old

Adi Zitrin, Alberto Molino, Anton Koekemoer, Arjen van der Wel, Claudio Grillo, Dan Coe, Daniel D. Kelson, Doron Lemze, Elinor Medezinski, Holland Ford, John Moustakas, Julian Merten, Keiichi Umetsu, Larry Bradley, Leonidas A. Moustakas, Leopoldo Infante, Marc Postman, Mario Nonino, Massimo Meneghetti, Matthias Bartelmann, Mauricio Carrasco, Megan Donahue, Narciso Ben{\i}tez, Ofer Lahav, Ole Host, Peter Melchior, Piero Rosati, Rychard Bouwens, Sara Ogaz, Saurabh Jha, Stella Seitz, Stephanie Jouvel, Tod R. Lauer, Tom Broadhurst, Wei Zheng, Xinwen Shu

arxiv:1204.2305 v1 · 2012-04-10 · 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{ZK6C6CS3FNFYTM42Q6BFOT3F3J}

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	2026-05-18T01:57:53.804283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cabc2f0a5b2b4b89b39a8782574f65da40b6bc699d8299bea49b5b8f374cf414

Aliases

arxiv: 1204.2305 · arxiv_version: 1204.2305v1 · doi: 10.48550/arxiv.1204.2305 · pith_short_12: ZK6C6CS3FNFY · pith_short_16: ZK6C6CS3FNFYTM42 · pith_short_8: ZK6C6CS3

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/ZK6C6CS3FNFYTM42Q6BFOT3F3J \
  | 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: cabc2f0a5b2b4b89b39a8782574f65da40b6bc699d8299bea49b5b8f374cf414

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e750d5e07d722e81e267c49bfbf924fd01c00922cb310cfdcfb024a10e878393",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-10T23:50:48Z",
    "title_canon_sha256": "ac6d7e989dfdff2976211d5c9dbc6e854f207666ea8908694e2bf62a75d05450"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2305",
    "kind": "arxiv",
    "version": 1
  }
}