Pith Number

pith:HPXJC7DF

pith:2019:HPXJC7DF4USA4YJ3A4FQKEKIGW

not attested not anchored not stored refs pending

A dominant population of optically invisible massive galaxies in the early Universe

C. Elbaz, C.F. Lim, C. Schreiber, J. Huang, K. Kohno, M. Franco, M. Pannella, T. Wang, W. H. Wang, X. Shu, Y. Yamaguchi, Y. Yoshimura

arxiv:1908.02372 v1 · 2019-08-06 · astro-ph.GA · 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{HPXJC7DF4USA4YJ3A4FQKEKIGW}

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	2026-07-04T23:52:08.098921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bee917c65e5240e613b070b05114835aef69ecbdb811a31cf537ac18a5d9333

Aliases

arxiv: 1908.02372 · arxiv_version: 1908.02372v1 · doi: 10.48550/arxiv.1908.02372 · pith_short_12: HPXJC7DF4USA · pith_short_16: HPXJC7DF4USA4YJ3 · pith_short_8: HPXJC7DF

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/HPXJC7DF4USA4YJ3A4FQKEKIGW \
  | 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: 3bee917c65e5240e613b070b05114835aef69ecbdb811a31cf537ac18a5d9333

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33c34cdf6600306ee9c7325eb47b475dfa043b1aefca0e0ccc6cc15eb66f6dda",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-06T21:19:27Z",
    "title_canon_sha256": "43f989e41136004edb9e04e492b392edd1eaa85a4643694a623b79b27ead69b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02372",
    "kind": "arxiv",
    "version": 1
  }
}