Pith Number

pith:4HT2UM4O

pith:2021:4HT2UM4OR3RNM3ONN3CY6RTOLM

not attested not anchored not stored refs pending

Degree-Scale Galactic Radio Emission at 122 MHz around the North Celestial Pole with LOFAR-AARTFAAC

A. R. Offringa, A. Shulevski, B. K. Gehlot, F. G. Mertens, H. Gan, L. V. E. Koopmans, M. Kuiack, M. Mevius, R. A. M. J. Wijers, R. Ghara, R. Mondal, S. K. Giri, S. Yatawatta, V. N. Pandey

arxiv:2112.00721 v3 · 2021-12-01 · astro-ph.IM · 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{4HT2UM4OR3RNM3ONN3CY6RTOLM}

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	2026-07-05T04:35:40.312441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1e7aa338e8ee2d66dcd6ec58f466e5b2c0d40586597ecd693e9637c29c2aefa

Aliases

arxiv: 2112.00721 · arxiv_version: 2112.00721v3 · doi: 10.48550/arxiv.2112.00721 · pith_short_12: 4HT2UM4OR3RN · pith_short_16: 4HT2UM4OR3RNM3ON · pith_short_8: 4HT2UM4O

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/4HT2UM4OR3RNM3ONN3CY6RTOLM \
  | 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: e1e7aa338e8ee2d66dcd6ec58f466e5b2c0d40586597ecd693e9637c29c2aefa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e81b006ffc85c63b099764bd22e42b5ef4b508f2e3e8fe178b81cbc43f4d5fb",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-12-01T18:57:03Z",
    "title_canon_sha256": "610e19583a17cb70804bb536c6425b023ef4350a465cfdf067a2605fc1c4f98f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.00721",
    "kind": "arxiv",
    "version": 3
  }
}