Pith Number

pith:TRV5HNNV

pith:2025:TRV5HNNVG2MQ57AAZS2F6GI6QH

not attested not anchored not stored refs pending

Low multipole mapmaking for global 21-cm experiments

Jonathan R. Pritchard, Yordan D. Ignatov

arxiv:2506.21258 v1 · 2025-06-26 · 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{TRV5HNNVG2MQ57AAZS2F6GI6QH}

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	2026-07-05T11:27:42.377719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c6bd3b5b536990efc00ccb45f191e81c3b4ef3524d217ccf0d4ec673408a0f1

Aliases

arxiv: 2506.21258 · arxiv_version: 2506.21258v1 · doi: 10.48550/arxiv.2506.21258 · pith_short_12: TRV5HNNVG2MQ · pith_short_16: TRV5HNNVG2MQ57AA · pith_short_8: TRV5HNNV

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/TRV5HNNVG2MQ57AAZS2F6GI6QH \
  | 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: 9c6bd3b5b536990efc00ccb45f191e81c3b4ef3524d217ccf0d4ec673408a0f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5094f5a96e5316285eb3cb70e4158c5c4fdbc18e896c2908c2d5591ec639aa7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-06-26T13:40:32Z",
    "title_canon_sha256": "9a91b81d7547420af72b2c71537ef846152b7c2318364db9f2596aabae558259"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.21258",
    "kind": "arxiv",
    "version": 1
  }
}