Pith Number

pith:XRHBOGU5

pith:2018:XRHBOGU5K5BXUBKT5XDJ7HBS2S

not attested not anchored not stored refs pending

Searching for patchy reionization from cosmic microwave background with hybrid quadratic estimators

Chang Feng, Gilbert Holder

arxiv:1808.01592 v1 · 2018-08-05 · 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{XRHBOGU5K5BXUBKT5XDJ7HBS2S}

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	2026-05-17T23:43:38.140547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc4e171a9d57437a0553edc69f9c32d4b07c4dc8f6267ecbb94df1dd8047afdd

Aliases

arxiv: 1808.01592 · arxiv_version: 1808.01592v1 · doi: 10.48550/arxiv.1808.01592 · pith_short_12: XRHBOGU5K5BX · pith_short_16: XRHBOGU5K5BXUBKT · pith_short_8: XRHBOGU5

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/XRHBOGU5K5BXUBKT5XDJ7HBS2S \
  | 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: bc4e171a9d57437a0553edc69f9c32d4b07c4dc8f6267ecbb94df1dd8047afdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5b35133d740dfcaa95dacfdb46dd2d78f95700ee81238e83b3478477808cff3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-08-05T10:00:01Z",
    "title_canon_sha256": "99a425fa08d8f191f2eb084c553b4d5d8caedd83128f47f35f25e6207ba8a909"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01592",
    "kind": "arxiv",
    "version": 1
  }
}