Pith Number

pith:JQNHD34R

pith:2022:JQNHD34RYUR6CMFO7535EPYV4O

not attested not anchored not stored refs pending

Self-calibration and improving image fidelity for ALMA and other radio interferometers

A. F. P\'erez-S\'anchez, A. M. S. Richards, E. B. Fomalont, E. Moravec, M. C. Toribio, R. A. Laing, S. Etoka

arxiv:2207.05591 v1 · 2022-07-12 · 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{JQNHD34RYUR6CMFO7535EPYV4O}

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	2026-07-05T04:39:44.301917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c1a71ef91c523e130aeff77d23f15e39aebbd8eaa204ac195140ab9e794888d

Aliases

arxiv: 2207.05591 · arxiv_version: 2207.05591v1 · doi: 10.48550/arxiv.2207.05591 · pith_short_12: JQNHD34RYUR6 · pith_short_16: JQNHD34RYUR6CMFO · pith_short_8: JQNHD34R

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/JQNHD34RYUR6CMFO7535EPYV4O \
  | 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: 4c1a71ef91c523e130aeff77d23f15e39aebbd8eaa204ac195140ab9e794888d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b9566eb0974c6b4dcd92fdc71c6bdf9a205d0aae420bbc93c36a4ec02f3a9f1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-07-12T15:12:08Z",
    "title_canon_sha256": "86efdd42dc3aea86ca7ad7094c2439d8f7c2ce12bde234f84431143e7c4ed45b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.05591",
    "kind": "arxiv",
    "version": 1
  }
}