Pith Number

pith:3V7MTDCM

pith:2004:3V7MTDCM45SDBLVPVHWGTVM4ZO

not attested not anchored not stored refs pending

On using visibility correlations to probe the HI distribution from the dark ages to the present epoch I: Formalism and the expected signal

Sk. Saiyad Ali, Somnath Bharadwaj

arxiv:astro-ph/0406676 v2 · 2004-06-30 · 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{3V7MTDCM45SDBLVPVHWGTVM4ZO}

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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.

Cited by

1 paper in Pith

Disentangling the growth rate of perturbations from the HI bias using only clustering data from galaxy surveys

Receipt and verification

First computed	2026-07-04T14:13:32.812732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd7ec98c4ce76430aeafa9ec69d59ccbbcfb9d919f35b5063c069b263bdfcf97

Aliases

arxiv: astro-ph/0406676 · arxiv_version: astro-ph/0406676v2 · doi: 10.48550/arxiv.astro-ph/0406676 · pith_short_12: 3V7MTDCM45SD · pith_short_16: 3V7MTDCM45SDBLVP · pith_short_8: 3V7MTDCM

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/3V7MTDCM45SDBLVPVHWGTVM4ZO \
  | 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: dd7ec98c4ce76430aeafa9ec69d59ccbbcfb9d919f35b5063c069b263bdfcf97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0471aaab59b1bc2e991f3aa68ba031fe1d9d6827708a5b4de7549492c34a2bc6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-30T11:06:48Z",
    "title_canon_sha256": "bab1b0442b1cf64e8828c9fb39cf053b59d8600d9b1c87e24c620c92ed962838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406676",
    "kind": "arxiv",
    "version": 2
  }
}