Pith Number

pith:63R54J4Q

pith:2018:63R54J4QB7LDDQA4ZCYRFX4WWN

not attested not anchored not stored refs pending

SPICA - a large cryogenic infrared space telescope Unveiling the obscured Universe

A. di Giorgio L.M. Gonz\'alez Fern\'andez, A. Poglitsch, B. Jackson, B. Larsson, B. Vandenbussche, C.K. Wafelbakker, C.M. Bradford, D. Arrazola, D. Ishihara, D. Naylor, D. van Loon, F.F.S. van der Tak, F. Kemper, F. Kerschbaum, F. Najarro, F.P. Helmich, G. de Lange, H. Jacobs, H. Kaneda, H. Matsuhara, H. Ogawa, H. Shibai, H. Sugita, H. van Weers, I. Charles, I. Funaki, I. Kamp, I. Sakon, I. Yamamura, J. Evers, J. Kwon, J.R. Gao, J. Torres Redondo, J. van der Kuur, K. Kohno, K. Shinozaki, L. Armus, L. Duband, L. Rodriguez, L. Spinoglio, M. Audard, M.D. Audley, M. Eggens, M. Giard, M. Griffin, M. Kawada, N. Isobe, O. Krause, P. Dieleman, P. Khosropanah, P.P. Kooijman, P.R. Roelfsema, R. Hijmering, R. Huisman, R. Shipman, S.C. Madden, S. Oyabu, S. Withington, S.Y. Wang, T. Nakagawa, T. Onaka, T. Suzuki, T. Wada, T. Yamada, V. Reveret, W. Jellema, W.M. Laauwen, Y. Doi, Y. Sato

arxiv:1803.10438 v1 · 2018-03-28 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{63R54J4QB7LDDQA4ZCYRFX4WWN}

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	2026-05-18T00:06:04.667741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6e3de27900fd631c01cc8b112df96b377fe5d2aaac27b6bfd0936d1596b9af2

Aliases

arxiv: 1803.10438 · arxiv_version: 1803.10438v1 · doi: 10.48550/arxiv.1803.10438 · pith_short_12: 63R54J4QB7LD · pith_short_16: 63R54J4QB7LDDQA4 · pith_short_8: 63R54J4Q

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/63R54J4QB7LDDQA4ZCYRFX4WWN \
  | 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: f6e3de27900fd631c01cc8b112df96b377fe5d2aaac27b6bfd0936d1596b9af2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5450d6deab6dc6df1ce7651ad03aff6a312c01a5b3ba4fb78f303c908a16ec0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-03-28T07:33:26Z",
    "title_canon_sha256": "a271f76261f50a3b4c11aa07b11e9b5b087aaa22a63ef0c417b39158453b356b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10438",
    "kind": "arxiv",
    "version": 1
  }
}