Pith Number

pith:7SMHIIIT

pith:2019:7SMHIIITFNLEV3HLMGZ7UIQRLH

not attested not anchored not stored refs pending

Detectability of the $\tau_{es}$-21cm cross-correlation: a tomographic probe of patchy reionization

Andrea Lapi, Anirban Roy, Carlo Baccigalupi, David Spergel, Soumen Basak

arxiv:1904.02637 v2 · 2019-04-04 · astro-ph.CO · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7SMHIIITFNLEV3HLMGZ7UIQRLH}

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.

Cited by

1 paper in Pith

Nearest Neighbour-Based Statistics for 21cm-Galaxy Cross-Correlations in the Epoch of Reionization

Receipt and verification

First computed	2026-07-05T00:52:45.648709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc987421132b564aeceb61b3fa221159fbb3fd8df7ec6156106d663feba3bff3

Aliases

arxiv: 1904.02637 · arxiv_version: 1904.02637v2 · doi: 10.48550/arxiv.1904.02637 · pith_short_12: 7SMHIIITFNLE · pith_short_16: 7SMHIIITFNLEV3HL · pith_short_8: 7SMHIIIT

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/7SMHIIITFNLEV3HLMGZ7UIQRLH \
  | 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: fc987421132b564aeceb61b3fa221159fbb3fd8df7ec6156106d663feba3bff3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfb2b49df082f11626b046eb5dbf45d21ef93c5d53d2f4487987ad9dc7be4724",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-04-04T16:10:37Z",
    "title_canon_sha256": "50284e3db2853b6fd942d295d1522a42160603db83ce9605b67ab85a4cb70803"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02637",
    "kind": "arxiv",
    "version": 2
  }
}