Pith Number

pith:RA6J3ACG

pith:2012:RA6J3ACGTRQ2H7HVIX5G7NGXBN

not attested not anchored not stored refs pending

Evolution of the Sizes of Galaxies over 7<z<12 Revealed by the 2012 Hubble Ultra Deep Field Campaign

Alexander B. Rogers, Anton M. Koekemoer, Brant E. Robertson, Daniel P. Stark, Emma Curtis-Lake, Evan Schneider, James S. Dunlop, Kazuhiro Shimasaku, Masami Ouchi, Matthew A. Schenker, Michele Cirasuolo, Rebecca A. A. Bowler, Richard S. Ellis, Ross J. McLure, Stephane Charlot, Steven R. Furlanetto, Yoshiaki Ono

arxiv:1212.3869 v1 · 2012-12-17 · 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{RA6J3ACGTRQ2H7HVIX5G7NGXBN}

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	2026-05-18T01:52:37.671803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

883c9d80469c61a3fcf545fa6fb4d70b5070d564f44652cf0ff07226d5003511

Aliases

arxiv: 1212.3869 · arxiv_version: 1212.3869v1 · doi: 10.48550/arxiv.1212.3869 · pith_short_12: RA6J3ACGTRQ2 · pith_short_16: RA6J3ACGTRQ2H7HV · pith_short_8: RA6J3ACG

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/RA6J3ACGTRQ2H7HVIX5G7NGXBN \
  | 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: 883c9d80469c61a3fcf545fa6fb4d70b5070d564f44652cf0ff07226d5003511

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e34a7d1679702818d54c525d241555da802a453b5afe412b8995aadaa68784ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-17T03:37:23Z",
    "title_canon_sha256": "7612fbd7e4749592f19767fe27e11a8deabc9a2ee7515d2a8636543bc3616d4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3869",
    "kind": "arxiv",
    "version": 1
  }
}