Pith Number

pith:5INVI7B5

pith:2017:5INVI7B5XWBOSBNT42ZFP6THKL

not attested not anchored not stored refs pending

A massive, dead disk galaxy in the early Universe

Allison W.S. Man, Anna Gallazzi, Carlos Gomez-Guijarro, Charles L. Steinhardt, Claudio Grillo, Georgios Magdis, Johannes Zabl, Johan Richard, Mikkel Stockmann, Moire Prescott, Nicholas Y. Lee, Stefano Zibetti, Sune Toft

arxiv:1706.07030 v1 · 2017-06-21 · 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{5INVI7B5XWBOSBNT42ZFP6THKL}

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	2026-05-18T00:41:31.865772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea1b547c3dbd82e905b3e6b257fa6752d09af29d502b11d8d2d3ed6fc52412cf

Aliases

arxiv: 1706.07030 · arxiv_version: 1706.07030v1 · doi: 10.48550/arxiv.1706.07030 · pith_short_12: 5INVI7B5XWBO · pith_short_16: 5INVI7B5XWBOSBNT · pith_short_8: 5INVI7B5

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/5INVI7B5XWBOSBNT42ZFP6THKL \
  | 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: ea1b547c3dbd82e905b3e6b257fa6752d09af29d502b11d8d2d3ed6fc52412cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98fef58f4d6fe298cada74d082953fdb06c254a46e6c33f62c66d45b8a1b8a29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-06-21T17:45:55Z",
    "title_canon_sha256": "662f9382004a045b0124e460e798a5615772c5f3d0719c85d399b07ad66d8c75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07030",
    "kind": "arxiv",
    "version": 1
  }
}