Pith Number

pith:3T53A3HV

pith:2016:3T53A3HVLWDYNCTEOHQXTBYDMG

not attested not anchored not stored refs pending

The visibility based Tapered Gridded Estimator (TGE) for the redshifted 21-cm power spectrum

Abhik Ghosh, Nirupam Roy, Samir Choudhuri, Sk. Saiyad Ali, Somnath Bharadwaj, Suman Chatterjee

arxiv:1609.01732 v1 · 2016-09-06 · 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{3T53A3HVLWDYNCTEOHQXTBYDMG}

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	2026-05-18T00:39:47.472690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcfbb06cf55d87868a6471e1798703618f80f8a331ffe2b1279b1032a69a147a

Aliases

arxiv: 1609.01732 · arxiv_version: 1609.01732v1 · doi: 10.48550/arxiv.1609.01732 · pith_short_12: 3T53A3HVLWDY · pith_short_16: 3T53A3HVLWDYNCTE · pith_short_8: 3T53A3HV

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/3T53A3HVLWDYNCTEOHQXTBYDMG \
  | 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: dcfbb06cf55d87868a6471e1798703618f80f8a331ffe2b1279b1032a69a147a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "137420a6a5fa5dee91e730df80f7b3606c14f5adeee77999f54594120fcabc0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-09-06T20:00:53Z",
    "title_canon_sha256": "154ea7700e48418b3c35ea3f22f43d2275f3161d57345401d900a55df0313d07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01732",
    "kind": "arxiv",
    "version": 1
  }
}