Pith Number

pith:FPHUW7BS

pith:2024:FPHUW7BS5ND5BEVTY4YXCLSMTW

not attested not anchored not stored refs pending

Atmospheric limitations for high-frequency ground-based VLBI

Daniel C. M. Palumbo, Dominic W. Pesce, Freek Roelofs, Greg Lindahl, Iniyan Natarajan, Lindy Blackburn, Mark Freeman, Michael D. Johnson, Paul Tiede, Ryan Chaves, Sara Issaoun, Scott N. Paine, Sheperd S. Doeleman

arxiv:2404.01482 v1 · 2024-04-01 · 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{FPHUW7BS5ND5BEVTY4YXCLSMTW}

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	2026-07-05T08:03:14.821346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bcf4b7c32eb47d092b3c731712e4c9d8669d246215989c86afc53300e6c8dbb

Aliases

arxiv: 2404.01482 · arxiv_version: 2404.01482v1 · doi: 10.48550/arxiv.2404.01482 · pith_short_12: FPHUW7BS5ND5 · pith_short_16: FPHUW7BS5ND5BEVT · pith_short_8: FPHUW7BS

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/FPHUW7BS5ND5BEVTY4YXCLSMTW \
  | 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: 2bcf4b7c32eb47d092b3c731712e4c9d8669d246215989c86afc53300e6c8dbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb7d59e556245b288775719104898e89de5ea0c9f8ad291407ab0f4478d66228",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-04-01T21:05:53Z",
    "title_canon_sha256": "2001104f50b46f561c4204bb29300590d255fcb911d7de06264281e527213f43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.01482",
    "kind": "arxiv",
    "version": 1
  }
}