Pith Number

pith:4ZN4T6L5

pith:2018:4ZN4T6L53HD6SONAN4R6H67WWK

not attested not anchored not stored refs pending

Deep LOFAR 150 MHz imaging of the Bo\"otes field: Unveiling the faint low-frequency sky

E. Retana-Montenegro, G. Brunetti, H. J. A. R\"ottgering, I. Prandoni, M. Br\"uggen, P.N.Best, R. J. van Weeren, T. W. Shimwell

arxiv:1807.04878 v1 · 2018-07-13 · 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{4ZN4T6L53HD6SONAN4R6H67WWK}

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	2026-05-17T23:59:08.034265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e65bc9f97dd9c7e939a06f23e3fbf6b2aa37732fc5533312c2fd7ed57fda6fce

Aliases

arxiv: 1807.04878 · arxiv_version: 1807.04878v1 · doi: 10.48550/arxiv.1807.04878 · pith_short_12: 4ZN4T6L53HD6 · pith_short_16: 4ZN4T6L53HD6SONA · pith_short_8: 4ZN4T6L5

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/4ZN4T6L53HD6SONAN4R6H67WWK \
  | 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: e65bc9f97dd9c7e939a06f23e3fbf6b2aa37732fc5533312c2fd7ed57fda6fce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "355bb850d2cc4a599848c8988286b8d2613bc46cc77403b273018f7e0e700bf5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-13T01:13:40Z",
    "title_canon_sha256": "a0614862632342f7b18d22db7bc62faffc77727f9d9e03910cb05edf476ce425"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04878",
    "kind": "arxiv",
    "version": 1
  }
}