Pith Number

pith:WD2JNSZC

pith:2018:WD2JNSZC66Q3PZLMZH4WMWDAJR

not attested not anchored not stored refs pending

LOFAR observations of the XMM-LSS field

C. L. Hale, C. Tasse, D. J. B. Smith, H. J. A. R\"ottgering, I. Heywood, I. Prandoni, J. J. Harwood, J. Sabater, L. K. Morabito, M. J. Hardcastle, M. J. Jarvis, P. N. Best, R. J. van Weeren, T. W. Shimwell, W. Williams

arxiv:1811.07942 v1 · 2018-11-19 · 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{WD2JNSZC66Q3PZLMZH4WMWDAJR}

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	2026-05-17T23:52:39.743929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0f496cb22f7a1b7e56cc9f96658604c56ba10fb37ca95d5869f6b071838c6c0

Aliases

arxiv: 1811.07942 · arxiv_version: 1811.07942v1 · doi: 10.48550/arxiv.1811.07942 · pith_short_12: WD2JNSZC66Q3 · pith_short_16: WD2JNSZC66Q3PZLM · pith_short_8: WD2JNSZC

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/WD2JNSZC66Q3PZLMZH4WMWDAJR \
  | 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: b0f496cb22f7a1b7e56cc9f96658604c56ba10fb37ca95d5869f6b071838c6c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "275aab7646123de88eb97cc1cbf2b81404f66ea58a8f656a80dc68f3bacf8d7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-19T19:26:44Z",
    "title_canon_sha256": "2e285d538e69f45909b309105e8ee77c0040815eb57b325a891c9e4fabb929a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07942",
    "kind": "arxiv",
    "version": 1
  }
}