Pith Number

pith:UBPTPTCO

pith:2013:UBPTPTCOSLIXQKDNQEC7XR2TD6

not attested not anchored not stored refs pending

The Formation of the massive galaxies in the SSA22 z=3.1 protocluster

Bret. D. Lehmer, David. M. Alexander, Giovanni. G. Fazio, Ichi Tnaka, J.-S. Huang, Koji Omata, Mariko Kubo, Masahiro Konishi, Masaru Kajisawa, Masayuki Akiyama, Ryuji Suzuki, Takashi Ichikawa, Tetsuo Nishimura, Tomohiro Yoshikawa, Tomoki Hayashino, Toru Yamada, Yuichi Matsuda, Yuka Katsuno Uchimoto

arxiv:1310.2020 v1 · 2013-10-08 · 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{UBPTPTCOSLIXQKDNQEC7XR2TD6}

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	2026-05-18T01:47:14.012003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a05f37cc4e92d178286d8105fbc7531fbf82779d93d446d53cd0c5cbbf1b4c8a

Aliases

arxiv: 1310.2020 · arxiv_version: 1310.2020v1 · doi: 10.48550/arxiv.1310.2020 · pith_short_12: UBPTPTCOSLIX · pith_short_16: UBPTPTCOSLIXQKDN · pith_short_8: UBPTPTCO

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/UBPTPTCOSLIXQKDNQEC7XR2TD6 \
  | 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: a05f37cc4e92d178286d8105fbc7531fbf82779d93d446d53cd0c5cbbf1b4c8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34b762ea5723d058cba3ac297a22dd4cc823764dbce1e20d8022ab93f2315dcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-08T07:44:40Z",
    "title_canon_sha256": "0095809b8164e7a405e29f713f2e63ab7d8d78aa284df163440075dde085e363"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2020",
    "kind": "arxiv",
    "version": 1
  }
}