Pith Number

pith:TKLW74HX

pith:2011:TKLW74HXQ3HN3VPHDUH6B3TC7G

not attested not anchored not stored refs pending

Looking At the Distant Universe with the MeerKAT Array (LADUMA)

A. J. Baker (Rutgers University), B.W. Holwerda (ESA-ESTEC), S.--L. Blyth (ACGC, the LADUMA team, University of Cape Town)

arxiv:1109.5605 v1 · 2011-09-26 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TKLW74HXQ3HN3VPHDUH6B3TC7G}

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	2026-05-18T02:00:23.458999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a976ff0f786ceddd5e71d0fe0ee62f99a350880ec0bde7f0b0c7e930e06a2a9

Aliases

arxiv: 1109.5605 · arxiv_version: 1109.5605v1 · doi: 10.48550/arxiv.1109.5605 · pith_short_12: TKLW74HXQ3HN · pith_short_16: TKLW74HXQ3HN3VPH · pith_short_8: TKLW74HX

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/TKLW74HXQ3HN3VPHDUH6B3TC7G \
  | 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: 9a976ff0f786ceddd5e71d0fe0ee62f99a350880ec0bde7f0b0c7e930e06a2a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0007d7be988bd79130fa5cad510aabf323a70685104af0a36de19a69c0c8634",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-26T15:31:51Z",
    "title_canon_sha256": "bbba1692add588bc2f377be86d462ed1161a9338bab1d9d3eb69285cd4cdecc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5605",
    "kind": "arxiv",
    "version": 1
  }
}