Pith Number

pith:76XFYNAU

pith:2019:76XFYNAUCUCL5YY3Y5OXV3NZWE

not attested not anchored not stored refs pending

Is patchy reionization an obstacle in detecting the primordial gravitational wave signal?

Sourabh Paul, Suvodip Mukherjee, Tirthankar Roy Choudhury

arxiv:1903.01994 v3 · 2019-03-05 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{76XFYNAUCUCL5YY3Y5OXV3NZWE}

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	2026-05-17T23:47:08.441417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffae5c34141504bee31bc75d7aedb9b103159d413ef736455a2605db6194e3b2

Aliases

arxiv: 1903.01994 · arxiv_version: 1903.01994v3 · doi: 10.48550/arxiv.1903.01994 · pith_short_12: 76XFYNAUCUCL · pith_short_16: 76XFYNAUCUCL5YY3 · pith_short_8: 76XFYNAU

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/76XFYNAUCUCL5YY3Y5OXV3NZWE \
  | 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: ffae5c34141504bee31bc75d7aedb9b103159d413ef736455a2605db6194e3b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7244899a21f28571e6d7493dc8cf9b6941a9863f8d9c53137aa467071c62e267",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-03-05T19:00:00Z",
    "title_canon_sha256": "a206714c949061c249abd6875d3e7ec9b4ba130513fe31e8462a45a6d15b582c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01994",
    "kind": "arxiv",
    "version": 3
  }
}