Pith Number

pith:WXKKSHDS

pith:2004:WXKKSHDSL44I5L4KBQZOVBSHZQ

not attested not anchored not stored refs pending

An update on the SCUBA-2 project

(2) NIST Boulder, (3) Scottish Microelectronics Centre, (4) Cardiff University, (5) Canadian SCUBA-2 Consortium), Anthony Walton (3), Carl Reintsema (2), David Naylor (5), Gene Hilton (2), George Mitchell (5), Ian Robson (1), Ian Walker (4), Jan Kycia (5), Kent Irwin (2), Mark Halpern (5), Michael Audley (1), Michel Fich (5), Mike MacIntosh (1), Peter Ade (4), Pierre Bastien (5) ((1) UK Astronomy Technology Centre, Trevor Hodson (1), Wayne Holland (1), William Duncan (2), William Parkes (3)

arxiv:astro-ph/0410439 v1 · 2004-10-19 · astro-ph · 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{WXKKSHDSL44I5L4KBQZOVBSHZQ}

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	2026-05-18T01:07:54.381586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5d4a91c725f388eaf8a0c32ea8647cc0916520e9c0a3c1c85fe61fc88f22a42

Aliases

arxiv: astro-ph/0410439 · arxiv_version: astro-ph/0410439v1 · doi: 10.48550/arxiv.astro-ph/0410439 · pith_short_12: WXKKSHDSL44I · pith_short_16: WXKKSHDSL44I5L4K · pith_short_8: WXKKSHDS

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/WXKKSHDSL44I5L4KBQZOVBSHZQ \
  | 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: b5d4a91c725f388eaf8a0c32ea8647cc0916520e9c0a3c1c85fe61fc88f22a42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94571dee4504d7d7f696d4623e462f5c0b0af223953baec1a2cb8cf83fd972d5",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-10-19T14:47:51Z",
    "title_canon_sha256": "4bda2fa8713d0074b8398e2540c958be62e4cdca946a1f1f28d0481ff831cfcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0410439",
    "kind": "arxiv",
    "version": 1
  }
}