Pith Number

pith:MQJ6UHEP

pith:2021:MQJ6UHEPZFT4YCKOMYBJ6HK5PB

not attested not anchored not stored refs pending

Interferometric Cubelet Stacking to Recover H\,\textsc{i} Emission from Distant Galaxies

Attila Popping, Lister Staveley-Smith, Martin Meyer, Qingxiang Chen

arxiv:2101.06928 v1 · 2021-01-18 · 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{MQJ6UHEPZFT4YCKOMYBJ6HK5PB}

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	2026-07-05T02:12:16.193895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6413ea1c8fc967cc094e66029f1d5d78746f16cc5918abb0220593b103e1d378

Aliases

arxiv: 2101.06928 · arxiv_version: 2101.06928v1 · doi: 10.48550/arxiv.2101.06928 · pith_short_12: MQJ6UHEPZFT4 · pith_short_16: MQJ6UHEPZFT4YCKO · pith_short_8: MQJ6UHEP

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/MQJ6UHEPZFT4YCKOMYBJ6HK5PB \
  | 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: 6413ea1c8fc967cc094e66029f1d5d78746f16cc5918abb0220593b103e1d378

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67cac8a3d91701abe71caceb5bf16d2baa8eb897f98798611b003671cd66bcfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-18T08:31:52Z",
    "title_canon_sha256": "c18c643ab651547eec67a0b6632046af0bdf353c41e020dcc671d0d2491ed063"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.06928",
    "kind": "arxiv",
    "version": 1
  }
}