Pith Number

pith:ORUWIRFR

pith:2021:ORUWIRFRHBV2OQSQX7QQ2N6V5X

not attested not anchored not stored refs pending

Wide field beamformed observation with MeerKAT

Benjamin Stappers, Ewan Barr, Michael Kramer, Ramesh Karuppusamy, Weiwei Chen

arxiv:2110.01667 v3 · 2021-10-04 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ORUWIRFRHBV2OQSQX7QQ2N6V5X}

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	2026-07-05T05:13:30.066650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74696444b1386ba74250bfe10d37d5edf95511d42c0139a95af951470a7db783

Aliases

arxiv: 2110.01667 · arxiv_version: 2110.01667v3 · doi: 10.48550/arxiv.2110.01667 · pith_short_12: ORUWIRFRHBV2 · pith_short_16: ORUWIRFRHBV2OQSQ · pith_short_8: ORUWIRFR

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/ORUWIRFRHBV2OQSQX7QQ2N6V5X \
  | 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: 74696444b1386ba74250bfe10d37d5edf95511d42c0139a95af951470a7db783

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "238230cd65c42705ca2beaaf32d2fd355ea07ef2abcef3f5b3c76f4ac224c4b5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-10-04T19:05:56Z",
    "title_canon_sha256": "c8747633170144d9330744b32818410ad3f2043d38a1e5bcab92c9ec230cc564"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.01667",
    "kind": "arxiv",
    "version": 3
  }
}