Pith Number

pith:ZR7CTPRV

pith:2025:ZR7CTPRVPHSXBNYTY26GFDVD7G

not attested not anchored not stored refs pending

Environmental Monitoring Requirements for the ngVLA

B. Butler, J. G. Mangum, T. K. Sridharan

arxiv:2504.14451 v1 · 2025-04-20 · 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{ZR7CTPRVPHSXBNYTY26GFDVD7G}

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	2026-07-05T10:51:43.607408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc7e29be3579e570b713c6bc628ea3f999f09f951340db0c705773b8aa69d6af

Aliases

arxiv: 2504.14451 · arxiv_version: 2504.14451v1 · doi: 10.48550/arxiv.2504.14451 · pith_short_12: ZR7CTPRVPHSX · pith_short_16: ZR7CTPRVPHSXBNYT · pith_short_8: ZR7CTPRV

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/ZR7CTPRVPHSXBNYTY26GFDVD7G \
  | 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: cc7e29be3579e570b713c6bc628ea3f999f09f951340db0c705773b8aa69d6af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "698f1977ea1493f8d6b382e4c9a785a8562b5c682a67366cdb8011f3594264d3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-04-20T01:58:41Z",
    "title_canon_sha256": "22e326a0bcb7f74322bc8dd56d56ea2ad525c64398662986d8eaa1835b7486c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.14451",
    "kind": "arxiv",
    "version": 1
  }
}