Pith Number

pith:3AZPCULK

pith:2021:3AZPCULKNFO65VRW5TUM4AOSQK

not attested not anchored not stored refs pending

The LOFAR Two-metre Sky Survey Deep fields: A new analysis of low-frequency radio luminosity as a star-formation tracer in the Lockman Hole region

C. Tasse, D. J. B. Smith, G. Calistro Rivera, G. de Zotti, G. G\"urkan, H. J. A. R\"ottgering, I. Prandoni, K. Malek, L. Wang, M. Bonato, M. Bondi, M. Magliocchetti, P. Haskell, P. N. Best, R. K. Cochrane, R. Kondapally, S. K. Leslie

arxiv:2109.06735 v1 · 2021-09-14 · 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{3AZPCULKNFO65VRW5TUM4AOSQK}

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	2026-07-05T03:38:33.661273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d832f1516a695deed636ece8ce01d282828425502748fcc96cadef3b87efd51e

Aliases

arxiv: 2109.06735 · arxiv_version: 2109.06735v1 · doi: 10.48550/arxiv.2109.06735 · pith_short_12: 3AZPCULKNFO6 · pith_short_16: 3AZPCULKNFO65VRW · pith_short_8: 3AZPCULK

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/3AZPCULKNFO65VRW5TUM4AOSQK \
  | 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: d832f1516a695deed636ece8ce01d282828425502748fcc96cadef3b87efd51e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd1c017d9351300a0219a7cbd9f3b57ce8f637e1ae1f34b66041ca1abbb0ef0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-14T14:47:30Z",
    "title_canon_sha256": "cf84ad81e22d592c7fbec0b7186cb47d686a0386d5353a5d898ba38328b5a89c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06735",
    "kind": "arxiv",
    "version": 1
  }
}