Pith Number

pith:Q22KU57F

pith:2016:Q22KU57FJYPH6XEMC42BDNOCNH

not attested not anchored not stored refs pending

Deep 3 GHz Observations of the Lockman Hole North with the Very Large Array -2. Catalogue and \mu Jy source properties

Bill Cotton, Douglas Scott, Jasper Wall, Jim Condon, Ken Kellermann, Rick Perley, Tessa Vernstrom

arxiv:1603.03085 v2 · 2016-03-09 · 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{Q22KU57FJYPH6XEMC42BDNOCNH}

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	2026-05-18T01:07:17.010630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86b4aa77e54e1e7f5c8c173411b5c269f3a830c146a6b7161f6ad650a13cc524

Aliases

arxiv: 1603.03085 · arxiv_version: 1603.03085v2 · doi: 10.48550/arxiv.1603.03085 · pith_short_12: Q22KU57FJYPH · pith_short_16: Q22KU57FJYPH6XEM · pith_short_8: Q22KU57F

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/Q22KU57FJYPH6XEMC42BDNOCNH \
  | 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: 86b4aa77e54e1e7f5c8c173411b5c269f3a830c146a6b7161f6ad650a13cc524

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "519c2a982b3d0e5005bdf8f477358a1c040494fff78d79b4cdf6539c8775c2cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-03-09T22:20:03Z",
    "title_canon_sha256": "09479e670b9c863f9be0a2052b55a01e234085dece2d4df77d9d16fded7cb16f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03085",
    "kind": "arxiv",
    "version": 2
  }
}