Pith Number

pith:BCSDQIRU

pith:2018:BCSDQIRUWBYJEAWAMD6V3AJAVY

not attested not anchored not stored refs pending

Probing the High-Redshift Universe with SPICA: Toward the Epoch of Reionization and Beyond

A. Ferrara, A. Pallottini, A. W. Blain, C. Gruppioni, C. Pearson, D. L. Clements, D. Schaerer, D. Scott, E. Egami, E. Gonz\'alez-Alfonso, E. Sobacchi, F. F. S. van der Tak, H. Dannerbauer, H. Kaneda, H. Matsuhara, H. Yajima, I. Perez-Fournon, J. A. Fern\'andez-Ontiveros, J. D. Smith, K. Kohno, K. Omukai, L. Armus, L. Spinoglio, L. Vallini, M. Bocchio, M. Bradford, M. J. Griffin, P. G. P\'erez-Gonz\'alez, P. Najarro, R. Schneider, S. Bianchi, S. C. Madden, S. Gallerani, S. Marassi, S. Oliver, S. Serjeant, T. Nakagawa, T. Onaka, T. Wada

arxiv:1809.07710 v2 · 2018-09-20 · 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{BCSDQIRUWBYJEAWAMD6V3AJAVY}

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	2026-05-17T23:53:26.736946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08a4382234b0709202c060fd5d8120ae2f1c4f8d02e5cfe49b15856b6d74ab4c

Aliases

arxiv: 1809.07710 · arxiv_version: 1809.07710v2 · doi: 10.48550/arxiv.1809.07710 · pith_short_12: BCSDQIRUWBYJ · pith_short_16: BCSDQIRUWBYJEAWA · pith_short_8: BCSDQIRU

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/BCSDQIRUWBYJEAWAMD6V3AJAVY \
  | 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: 08a4382234b0709202c060fd5d8120ae2f1c4f8d02e5cfe49b15856b6d74ab4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92c9542e5e7d9710831387575f988be3e939e45556adbf3e1e7499f664645cf5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-20T16:01:23Z",
    "title_canon_sha256": "77b91b6963211b42b50c48918dd4a072a6b4778fae2b741f2b39c322442869d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07710",
    "kind": "arxiv",
    "version": 2
  }
}