Pith Number

pith:Y6FQPUEV

pith:2019:Y6FQPUEV6HWULZAJQFXDIW2FDG

not attested not anchored not stored refs pending

Impact of Foregrounds on HI Intensity Mapping Cross-Correlations with Optical Surveys

Alkistis Pourtsidou, David Bacon, Laura Wolz, Steven Cunnington

arxiv:1904.01479 v2 · 2019-04-02 · 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{Y6FQPUEV6HWULZAJQFXDIW2FDG}

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	2026-05-17T23:40:32.784675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c78b07d095f1ed45e409816e345b45198f5159bca483c8e46e8201baab3027ab

Aliases

arxiv: 1904.01479 · arxiv_version: 1904.01479v2 · doi: 10.48550/arxiv.1904.01479 · pith_short_12: Y6FQPUEV6HWU · pith_short_16: Y6FQPUEV6HWULZAJ · pith_short_8: Y6FQPUEV

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/Y6FQPUEV6HWULZAJQFXDIW2FDG \
  | 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: c78b07d095f1ed45e409816e345b45198f5159bca483c8e46e8201baab3027ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a95153891bbefea8d3aa242b3c89601230e645197974396c94dd45ae8c3b143",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-04-02T15:06:19Z",
    "title_canon_sha256": "b33e54b5eff8c969efebd8d009aa0eabde9a2e3e4cfb839c7d8aac8c7b448976"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01479",
    "kind": "arxiv",
    "version": 2
  }
}