Pith Number

pith:UILW3642

pith:2002:UILW3642UNXMBEHLF72N5AG6SM

not attested not anchored not stored refs pending

Discovery of the host galaxy of HDF850.1, the brightest sub-mm source in the Hubble Deep Field

A. Lawrence, A.M.S. Richards, D.H. Hughes, G.P. Smith, I. Aretxaga, I. Smail, J.A. Peacock, J.S. Dunlop (University of Edinburgh), M. Dickinson, M. Kajisawa, O. Almaini, R.G. Mann, R.J. Ivison, R.J. Mclure, S. Serjeant, T.W.B. Muxlow, T. Yamada

arxiv:astro-ph/0205480 v1 · 2002-05-28 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UILW3642UNXMBEHLF72N5AG6SM}

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	2026-05-18T01:40:42.737525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2176dfb9aa36ec090eb2ff4de80de931e4418eb405a8829b795f55458a61f56

Aliases

arxiv: astro-ph/0205480 · arxiv_version: astro-ph/0205480v1 · doi: 10.48550/arxiv.astro-ph/0205480 · pith_short_12: UILW3642UNXM · pith_short_16: UILW3642UNXMBEHL · pith_short_8: UILW3642

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/UILW3642UNXMBEHLF72N5AG6SM \
  | 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: a2176dfb9aa36ec090eb2ff4de80de931e4418eb405a8829b795f55458a61f56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8ea8c8c919b4ab34f3e81e5deb6fa584b9dadde800156499b694f680bd1160a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-05-28T09:30:50Z",
    "title_canon_sha256": "0cda86fdcca7772535e87c0a9401c2bd257271856e584953de9da5a5e02ce6ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0205480",
    "kind": "arxiv",
    "version": 1
  }
}