Pith Number

pith:FPXF3OD7

pith:2018:FPXF3OD7DQHJD72Z6MRGAZATZ5

not attested not anchored not stored refs pending

The onset of star formation 250 million years after the Big Bang

Akio. K. Inoue, Bunyo Hatsukade, Claes-Erik Rydberg, Erik Zackrisson, Franz E. Bauer, Guido Roberts-Borsani, Hideki Umehata, Hiroshi Matsuo, Ikkoh Shimizu, Ken Mawatari, Masami Ouchi, Naoki Yoshida, Natsuki H. Hayatsu, Nicolas Laporte, Richard S. Ellis, Roser Pello, Takashi Okamoto, Takuya Hashimoto, Thomas Fletcher, Wei Zheng, Yoichi Tamura, Yoshiaki Taniguchi, Yuichi Harikane, Yuichi Matsuda

arxiv:1805.05966 v1 · 2018-05-15 · 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{FPXF3OD7DQHJD72Z6MRGAZATZ5}

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	2026-07-05T01:10:23.942080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bee5db87f1c0e91ff59f322606413cf4c18eb7c4de31491feb44ccf0bb92273

Aliases

arxiv: 1805.05966 · arxiv_version: 1805.05966v1 · doi: 10.48550/arxiv.1805.05966 · pith_short_12: FPXF3OD7DQHJ · pith_short_16: FPXF3OD7DQHJD72Z · pith_short_8: FPXF3OD7

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/FPXF3OD7DQHJD72Z6MRGAZATZ5 \
  | 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: 2bee5db87f1c0e91ff59f322606413cf4c18eb7c4de31491feb44ccf0bb92273

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "433b337f1574e4c0282ac42f0cd59d885137cb29dd437b9d62ff215414779ec9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-15T18:00:33Z",
    "title_canon_sha256": "c468538a7f0b2446be5cc5cb2067b06680c98864818dda70dbba6ccdd739be35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05966",
    "kind": "arxiv",
    "version": 1
  }
}