Pith Number

pith:AP6BQWTM

pith:2016:AP6BQWTMLKBKDHTTTMGGIH5Z72

not attested not anchored not stored refs pending

A deep ALMA image of the Hubble Ultra Deep Field

A.D. Biggs, A. Kirkpatrick, A.M. Swinbank, A. Pope, B. Robertson, C.C. Hayward, C. Papovich, D.H. Hughes, D. Narayanan, D. Scott, E. Ibar, E.L. Chapin, E. van Kampen, G.W. Wilson, I. Aretxaga, J.A. Peacock, J.E. Austermann, J.E. Geach, J.S. Dunlop, K.E.K. Coppin, M. Cirasuolo, M.J. Michalowski, M.P. Koprowski, M. Yun, P.N. Best, P.P. van der Werf, R.J. Ivison, R.J. Mclure, R.S. Ellis, S. Charlot, S. Khochfar, S.L. Finkelstein, T.A. Targett, T. Vernstrom, V.A. Bruce, W. Rujopakarn

arxiv:1606.00227 v2 · 2016-06-01 · 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{AP6BQWTMLKBKDHTTTMGGIH5Z72}

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.

Cited by

2 papers in Pith

Astro2020 Science White Paper: Exploration and characterization of the earliest epoch of galaxy formation: beyond the re-ionization era

Empirical estimates of how massive galaxies can be in {\Lambda}CDM

Receipt and verification

First computed	2026-05-18T00:52:39.568566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03fc185a6c5a82a19e739b0c641fb9fe8ba1923579e046fbbc11dc0258ea5ee3

Aliases

arxiv: 1606.00227 · arxiv_version: 1606.00227v2 · doi: 10.48550/arxiv.1606.00227 · pith_short_12: AP6BQWTMLKBK · pith_short_16: AP6BQWTMLKBKDHTT · pith_short_8: AP6BQWTM

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/AP6BQWTMLKBKDHTTTMGGIH5Z72 \
  | 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: 03fc185a6c5a82a19e739b0c641fb9fe8ba1923579e046fbbc11dc0258ea5ee3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6d92b4a023cc514dc5f267965e5930089120bfaf25aefcadc605515719d2fa6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-06-01T11:18:38Z",
    "title_canon_sha256": "f40a104d1b47e7a71507210dd03c9ac3682f6703ff2b10d0a4562c0e63933bee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.00227",
    "kind": "arxiv",
    "version": 2
  }
}