Pith Number

pith:QY5VYM4L

pith:1999:QY5VYM4LUFF7OJWPKHTQKUVEN3

not attested not anchored not stored refs pending

The Impact of Atmospheric Fluctuations on Degree-scale Imaging of the Cosmic Microwave Background

Nils W. Halverson, Oliver P. Lay

arxiv:astro-ph/9905369 v2 · 1999-05-27 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QY5VYM4LUFF7OJWPKHTQKUVEN3}

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	2026-07-04T16:11:15.945533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

863b5c338ba14bf726cf51e70552a46ef415fa0d5380b035097f51b10ef99b93

Aliases

arxiv: astro-ph/9905369 · arxiv_version: astro-ph/9905369v2 · doi: 10.48550/arxiv.astro-ph/9905369 · pith_short_12: QY5VYM4LUFF7 · pith_short_16: QY5VYM4LUFF7OJWP · pith_short_8: QY5VYM4L

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/QY5VYM4LUFF7OJWPKHTQKUVEN3 \
  | 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: 863b5c338ba14bf726cf51e70552a46ef415fa0d5380b035097f51b10ef99b93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c2e457cf4f13d821337e90b59a1686a2879c95fd631f22290094ba8538b8bd7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-05-27T21:27:44Z",
    "title_canon_sha256": "3da3e80733da8abbc0a520056693f06c6f01264d21307207bb8637cc9d05be1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9905369",
    "kind": "arxiv",
    "version": 2
  }
}